12916619 has 2 divisors, whose sum is σ = 12916620. Its totient is φ = 12916618.

The previous prime is 12916559. The next prime is 12916627. The reversal of 12916619 is 91661921.

12916619 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12916619 is a prime.

It is a super-2 number, since 2×12916619² = 333678092782322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12916669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6458309 + 6458310.

It is an arithmetic number, because the mean of its divisors is an integer number (6458310).

Almost surely, 2^12916619 is an apocalyptic number.

12916619 is a deficient number, since it is larger than the sum of its proper divisors (1).

12916619 is an equidigital number, since it uses as much as digits as its factorization.

12916619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 35.

The square root of 12916619 is about 3593.9698106690. The cubic root of 12916619 is about 234.6296808190.

The spelling of 12916619 in words is "twelve million, nine hundred sixteen thousand, six hundred nineteen".