12898770 has 32 divisors (see below), whose sum is σ = 31311360. Its totient is φ = 3400320.

The previous prime is 12898763. The next prime is 12898771. The reversal of 12898770 is 7789821.

It is not an unprimeable number, because it can be changed into a prime (12898771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255 + ... + 5085.

It is an arithmetic number, because the mean of its divisors is an integer number (978480).

Almost surely, 2^12898770 is an apocalyptic number.

12898770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12898770 is an abundant number, since it is smaller than the sum of its proper divisors (18412590).

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

12898770 is a wasteful number, since it uses less digits than its factorization.

12898770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4930.

The product of its (nonzero) digits is 56448, while the sum is 42.

The square root of 12898770 is about 3591.4857649725. The cubic root of 12898770 is about 234.5215556280.

The spelling of 12898770 in words is "twelve million, eight hundred ninety-eight thousand, seven hundred seventy".