12927915 has 144 divisors (see below), whose sum is σ = 31370976. Its totient is φ = 4838400.

The previous prime is 12927883. The next prime is 12927931. The reversal of 12927915 is 51972921.

12927915 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12927915 - 2⁵ = 12927883 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

Its product of digits (11340) is a multiple of the sum of its prime factors (90).

It is a self number, because there is not a number n which added to its sum of digits gives 12927915.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 315295 + ... + 315335.

It is an arithmetic number, because the mean of its divisors is an integer number (217854).

Almost surely, 2^12927915 is an apocalyptic number.

12927915 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12927915 is an abundant number, since it is smaller than the sum of its proper divisors (18443061).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12927915 is a wasteful number, since it uses less digits than its factorization.

12927915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 80 counting only the distinct ones).

The product of its digits is 11340, while the sum is 36.

The square root of 12927915 is about 3595.5409885023. The cubic root of 12927915 is about 234.6980579652.

The spelling of 12927915 in words is "twelve million, nine hundred twenty-seven thousand, nine hundred fifteen".