12920898 has 32 divisors (see below), whose sum is σ = 26908992. Its totient is φ = 4132800.

The previous prime is 12920861. The next prime is 12920903. The reversal of 12920898 is 89802921.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15328 + ... + 16148.

It is an arithmetic number, because the mean of its divisors is an integer number (840906).

Almost surely, 2^12920898 is an apocalyptic number.

12920898 is an abundant number, since it is smaller than the sum of its proper divisors (13988094).

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

12920898 is a wasteful number, since it uses less digits than its factorization.

12920898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930.

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 12920898 is about 3594.5650640933. The cubic root of 12920898 is about 234.6555872258.

The spelling of 12920898 in words is "twelve million, nine hundred twenty thousand, eight hundred ninety-eight".