12936919 has 2 divisors, whose sum is σ = 12936920. Its totient is φ = 12936918.

The previous prime is 12936901. The next prime is 12936943. The reversal of 12936919 is 91963921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12936919 - 2¹⁷ = 12805847 is a prime.

It is a super-2 number, since 2×12936919² = 334727746425122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12933919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6468459 + 6468460.

It is an arithmetic number, because the mean of its divisors is an integer number (6468460).

Almost surely, 2^12936919 is an apocalyptic number.

12936919 is a deficient number, since it is larger than the sum of its proper divisors (1).

12936919 is an equidigital number, since it uses as much as digits as its factorization.

12936919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26244, while the sum is 40.

The square root of 12936919 is about 3596.7928769947. The cubic root of 12936919 is about 234.7525326143.

The spelling of 12936919 in words is "twelve million, nine hundred thirty-six thousand, nine hundred nineteen".