12397902 has 24 divisors (see below), whose sum is σ = 27256488. Its totient is φ = 3756720.

The previous prime is 12397883. The next prime is 12397909. The reversal of 12397902 is 20979321.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12397909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7813 + ... + 9264.

It is an arithmetic number, because the mean of its divisors is an integer number (1135687).

Almost surely, 2^12397902 is an apocalyptic number.

12397902 is an abundant number, since it is smaller than the sum of its proper divisors (14858586).

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

12397902 is a wasteful number, since it uses less digits than its factorization.

12397902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17104 (or 17093 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 12397902 is about 3521.0654637482. The cubic root of 12397902 is about 231.4458509318.

The spelling of 12397902 in words is "twelve million, three hundred ninety-seven thousand, nine hundred two".