12862920 has 64 divisors (see below), whose sum is σ = 44104320. Its totient is φ = 2939904.

The previous prime is 12862901. The next prime is 12862933. The reversal of 12862920 is 2926821.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 6817 + ... + 8496.

It is an arithmetic number, because the mean of its divisors is an integer number (689130).

Almost surely, 2^12862920 is an apocalyptic number.

12862920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12862920 is an abundant number, since it is smaller than the sum of its proper divisors (31241400).

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

12862920 is a wasteful number, since it uses less digits than its factorization.

12862920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15334 (or 15330 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 12862920 is about 3586.4913216123. The cubic root of 12862920 is about 234.3040827218.

The spelling of 12862920 in words is "twelve million, eight hundred sixty-two thousand, nine hundred twenty".