12897892 has 24 divisors (see below), whose sum is σ = 25873344. Its totient is φ = 5511072.

The previous prime is 12897889. The next prime is 12897919. The reversal of 12897892 is 29879821.

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 7 ways as a sum of consecutive naturals, for example, 15183 + ... + 16009.

It is an arithmetic number, because the mean of its divisors is an integer number (1078056).

Almost surely, 2^12897892 is an apocalyptic number.

It is an amenable number.

12897892 is an abundant number, since it is smaller than the sum of its proper divisors (12975452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12897892 is a wasteful number, since it uses less digits than its factorization.

12897892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395 (or 1393 counting only the distinct ones).

The product of its digits is 145152, while the sum is 46.

The square root of 12897892 is about 3591.3635293576. The cubic root of 12897892 is about 234.5162343299.

The spelling of 12897892 in words is "twelve million, eight hundred ninety-seven thousand, eight hundred ninety-two".