12890396 has 24 divisors (see below), whose sum is σ = 23708160. Its totient is φ = 6120752.

The previous prime is 12890387. The next prime is 12890401. The reversal of 12890396 is 69309821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14945 + ... + 15783.

It is an arithmetic number, because the mean of its divisors is an integer number (987840).

Almost surely, 2^12890396 is an apocalyptic number.

It is an amenable number.

12890396 is a deficient number, since it is larger than the sum of its proper divisors (10817764).

12890396 is a wasteful number, since it uses less digits than its factorization.

12890396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033 (or 1031 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 12890396 is about 3590.3197629181. The cubic root of 12890396 is about 234.4707934584.

The spelling of 12890396 in words is "twelve million, eight hundred ninety thousand, three hundred ninety-six".