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12954331 = 13996487
BaseRepresentation
bin110001011010…
…101011011011
3220101011000001
4301122223123
511304014311
61141353431
7215052505
oct61325333
926334001
1012954331
117348865
124408877
1328b74b0
141a12d75
15120d4c1
hexc5aadb

12954331 has 4 divisors (see below), whose sum is σ = 13950832. Its totient is φ = 11957832.

The previous prime is 12954299. The next prime is 12954343. The reversal of 12954331 is 13345921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13345921 = 25153171.

It is a cyclic number.

It is not a de Polignac number, because 12954331 - 25 = 12954299 is a prime.

It is a super-2 number, since 2×129543312 = 335629383315122, which contains 22 as substring.

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 12954331.

It is not an unprimeable number, because it can be changed into a prime (12954031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498231 + ... + 498256.

It is an arithmetic number, because the mean of its divisors is an integer number (3487708).

Almost surely, 212954331 is an apocalyptic number.

12954331 is a deficient number, since it is larger than the sum of its proper divisors (996501).

12954331 is an equidigital number, since it uses as much as digits as its factorization.

12954331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996500.

The product of its digits is 3240, while the sum is 28.

The square root of 12954331 is about 3599.2125527676. The cubic root of 12954331 is about 234.8578044247.

The spelling of 12954331 in words is "twelve million, nine hundred fifty-four thousand, three hundred thirty-one".

Divisors: 1 13 996487 12954331