12897332 has 12 divisors (see below), whose sum is σ = 25794720. Its totient is φ = 5527416.

The previous prime is 12897331. The next prime is 12897337. The reversal of 12897332 is 23379821.

12897332 is an admirable number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12897292 and 12897301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12897331) 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, 230282 + ... + 230337.

It is an arithmetic number, because the mean of its divisors is an integer number (2149560).

Almost surely, 2^12897332 is an apocalyptic number.

It is an amenable number.

12897332 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12897332 is a wasteful number, since it uses less digits than its factorization.

12897332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460630 (or 460628 counting only the distinct ones).

The product of its digits is 18144, while the sum is 35.

The square root of 12897332 is about 3591.2855636944. The cubic root of 12897332 is about 234.5128402096.

The spelling of 12897332 in words is "twelve million, eight hundred ninety-seven thousand, three hundred thirty-two".