12897926 has 8 divisors (see below), whose sum is σ = 19386864. Its totient is φ = 6435640.

The previous prime is 12897919. The next prime is 12897961. The reversal of 12897926 is 62979821.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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, 5405 + ... + 7416.

It is an arithmetic number, because the mean of its divisors is an integer number (2423358).

Almost surely, 2^12897926 is an apocalyptic number.

12897926 is a deficient number, since it is larger than the sum of its proper divisors (6488938).

12897926 is a wasteful number, since it uses less digits than its factorization.

12897926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13326.

The product of its digits is 108864, while the sum is 44.

The square root of 12897926 is about 3591.3682629327. The cubic root of 12897926 is about 234.5164403984.

The spelling of 12897926 in words is "twelve million, eight hundred ninety-seven thousand, nine hundred twenty-six".