12930615 has 12 divisors (see below), whose sum is σ = 22413144. Its totient is φ = 6896304.

The previous prime is 12930581. The next prime is 12930647. The reversal of 12930615 is 51603921.

12930615 is a `hidden beast` number, since 12 + 9 + 30 + 615 = 666.

It is not a de Polignac number, because 12930615 - 2⁶ = 12930551 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 143629 + ... + 143718.

It is an arithmetic number, because the mean of its divisors is an integer number (1867762).

Almost surely, 2^12930615 is an apocalyptic number.

12930615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12930615 is a deficient number, since it is larger than the sum of its proper divisors (9482529).

12930615 is a wasteful number, since it uses less digits than its factorization.

12930615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287358 (or 287355 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 12930615 is about 3595.9164339567. The cubic root of 12930615 is about 234.7143957543.

The spelling of 12930615 in words is "twelve million, nine hundred thirty thousand, six hundred fifteen".