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12484057 = 28014457
BaseRepresentation
bin101111100111…
…110111011001
3212111020220111
4233213313121
511143442212
61123324321
7211053445
oct57476731
925436814
1012484057
117057503
1242206a1
132781421
14192d825
151168ea7
hexbe7dd9

12484057 has 4 divisors (see below), whose sum is σ = 12491316. Its totient is φ = 12476800.

The previous prime is 12484051. The next prime is 12484063. The reversal of 12484057 is 75048421.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (12484051) and next prime (12484063).

It can be written as a sum of positive squares in 2 ways, for example, as 7595536 + 4888521 = 2756^2 + 2211^2 .

It is a cyclic number.

It is not a de Polignac number, because 12484057 - 27 = 12483929 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12484051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 573 + ... + 5029.

It is an arithmetic number, because the mean of its divisors is an integer number (3122829).

It is a vampire number, since it can be written as 28014457 (with its own digits).

Almost surely, 212484057 is an apocalyptic number.

It is an amenable number.

12484057 is a deficient number, since it is larger than the sum of its proper divisors (7259).

12484057 is an equidigital number, since it uses as much as digits as its factorization.

12484057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7258.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 12484057 is about 3533.2785058639. The cubic root of 12484057 is about 231.9807319016.

The spelling of 12484057 in words is "twelve million, four hundred eighty-four thousand, fifty-seven".

Divisors: 1 2801 4457 12484057