12801964 has 12 divisors (see below), whose sum is σ = 25603984. Its totient is φ = 5486544.

The previous prime is 12801947. The next prime is 12801967. The reversal of 12801964 is 46910821.

It is a happy number.

12801964 is an admirable number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12801967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228579 + ... + 228634.

Almost surely, 2^12801964 is an apocalyptic number.

12801964 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12801964 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12801964 is a wasteful number, since it uses less digits than its factorization.

12801964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457224 (or 457222 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 12801964 is about 3577.9832308159. The cubic root of 12801964 is about 233.9333825511.

The spelling of 12801964 in words is "twelve million, eight hundred one thousand, nine hundred sixty-four".