12973776 has 20 divisors (see below), whose sum is σ = 33515712. Its totient is φ = 4324576.

The previous prime is 12973699. The next prime is 12973781. The reversal of 12973776 is 67737921.

It is a congruent number.

It is an unprimeable number.

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, 135096 + ... + 135191.

Almost surely, 2^12973776 is an apocalyptic number.

12973776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12973776 is an abundant number, since it is smaller than the sum of its proper divisors (20541936).

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

12973776 is a wasteful number, since it uses less digits than its factorization.

12973776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270298 (or 270292 counting only the distinct ones).

The product of its digits is 111132, while the sum is 42.

The square root of 12973776 is about 3601.9128251528. The cubic root of 12973776 is about 234.9752561845.

The spelling of 12973776 in words is "twelve million, nine hundred seventy-three thousand, seven hundred seventy-six".