12976919 has 4 divisors (see below), whose sum is σ = 13056696. Its totient is φ = 12897144.

The previous prime is 12976907. The next prime is 12976939. The reversal of 12976919 is 91967921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12976919 is a prime.

It is a super-2 number, since 2×12976919² = 336800853465122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12976919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12976939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39644 + ... + 39969.

It is an arithmetic number, because the mean of its divisors is an integer number (3264174).

Almost surely, 2^12976919 is an apocalyptic number.

12976919 is a deficient number, since it is larger than the sum of its proper divisors (79777).

12976919 is an equidigital number, since it uses as much as digits as its factorization.

12976919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79776.

The product of its digits is 61236, while the sum is 44.

The square root of 12976919 is about 3602.3490946881. The cubic root of 12976919 is about 234.9942295248.

The spelling of 12976919 in words is "twelve million, nine hundred seventy-six thousand, nine hundred nineteen".