12613999 has 2 divisors, whose sum is σ = 12614000. Its totient is φ = 12613998.

The previous prime is 12613981. The next prime is 12614029. The reversal of 12613999 is 99931621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12613999 - 2⁷ = 12613871 is a prime.

It is a super-2 number, since 2×12613999² = 318225941544002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12611999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6306999 + 6307000.

It is an arithmetic number, because the mean of its divisors is an integer number (6307000).

Almost surely, 2^12613999 is an apocalyptic number.

12613999 is a deficient number, since it is larger than the sum of its proper divisors (1).

12613999 is an equidigital number, since it uses as much as digits as its factorization.

12613999 is an odious number, because the sum of its binary digits is odd.

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

The square root of 12613999 is about 3551.6192081922. The cubic root of 12613999 is about 232.7828230478.

The spelling of 12613999 in words is "twelve million, six hundred thirteen thousand, nine hundred ninety-nine".