12944519 has 4 divisors (see below), whose sum is σ = 14793744. Its totient is φ = 11095296.

The previous prime is 12944509. The next prime is 12944537. The reversal of 12944519 is 91544921.

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-12944519 is a prime.

It is a super-2 number, since 2×12944519² = 335121144282722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12944509) 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, 924602 + ... + 924615.

It is an arithmetic number, because the mean of its divisors is an integer number (3698436).

Almost surely, 2^12944519 is an apocalyptic number.

12944519 is a deficient number, since it is larger than the sum of its proper divisors (1849225).

12944519 is an equidigital number, since it uses as much as digits as its factorization.

12944519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1849224.

The product of its digits is 12960, while the sum is 35.

The square root of 12944519 is about 3597.8492186305. The cubic root of 12944519 is about 234.7984933255.

The spelling of 12944519 in words is "twelve million, nine hundred forty-four thousand, five hundred nineteen".