12898965 has 16 divisors (see below), whose sum is σ = 20756736. Its totient is φ = 6840000.

The previous prime is 12898933. The next prime is 12898979. The reversal of 12898965 is 56989821.

It is a happy number.

It is not a de Polignac number, because 12898965 - 2⁵ = 12898933 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 340 + ... + 5090.

It is an arithmetic number, because the mean of its divisors is an integer number (1297296).

Almost surely, 2^12898965 is an apocalyptic number.

12898965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12898965 is a deficient number, since it is larger than the sum of its proper divisors (7857771).

12898965 is a wasteful number, since it uses less digits than its factorization.

12898965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4940.

The product of its digits is 311040, while the sum is 48.

The square root of 12898965 is about 3591.5129124089. The cubic root of 12898965 is about 234.5227374325.

The spelling of 12898965 in words is "twelve million, eight hundred ninety-eight thousand, nine hundred sixty-five".