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12924497 = 61211877
BaseRepresentation
bin110001010011…
…011001010001
3220022122002002
4301103121101
511302040442
61141003345
7214566515
oct61233121
926278062
1012924497
117328403
1243b3555
1328a6a41
141a06145
151204732
hexc53651

12924497 has 4 divisors (see below), whose sum is σ = 13136436. Its totient is φ = 12712560.

The previous prime is 12924487. The next prime is 12924529. The reversal of 12924497 is 79442921.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1628176 + 11296321 = 1276^2 + 3361^2 .

It is a cyclic number.

It is not a de Polignac number, because 12924497 - 220 = 11875921 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12924497.

It is not an unprimeable number, because it can be changed into a prime (12924487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105878 + ... + 105999.

It is an arithmetic number, because the mean of its divisors is an integer number (3284109).

Almost surely, 212924497 is an apocalyptic number.

It is an amenable number.

12924497 is a deficient number, since it is larger than the sum of its proper divisors (211939).

12924497 is an equidigital number, since it uses as much as digits as its factorization.

12924497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211938.

The product of its digits is 36288, while the sum is 38.

The square root of 12924497 is about 3595.0656461322. The cubic root of 12924497 is about 234.6773722715.

The spelling of 12924497 in words is "twelve million, nine hundred twenty-four thousand, four hundred ninety-seven".

Divisors: 1 61 211877 12924497