12513019 has 2 divisors, whose sum is σ = 12513020. Its totient is φ = 12513018.

The previous prime is 12512999. The next prime is 12513023. The reversal of 12513019 is 91031521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12513019 - 2²³ = 4124411 is a prime.

It is a super-2 number, since 2×12513019² = 313151288988722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12513029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6256509 + 6256510.

It is an arithmetic number, because the mean of its divisors is an integer number (6256510).

Almost surely, 2^12513019 is an apocalyptic number.

12513019 is a deficient number, since it is larger than the sum of its proper divisors (1).

12513019 is an equidigital number, since it uses as much as digits as its factorization.

12513019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 12513019 is about 3537.3745914166. The cubic root of 12513019 is about 232.1599855178.

The spelling of 12513019 in words is "twelve million, five hundred thirteen thousand, nineteen".