12732915 has 64 divisors (see below), whose sum is σ = 24385536. Its totient is φ = 5609472.

The previous prime is 12732883. The next prime is 12732959. The reversal of 12732915 is 51923721.

12732915 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12732915 - 2⁵ = 12732883 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 76162 + ... + 76328.

It is an arithmetic number, because the mean of its divisors is an integer number (381024).

Almost surely, 2^12732915 is an apocalyptic number.

12732915 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12732915 is a deficient number, since it is larger than the sum of its proper divisors (11652621).

12732915 is a wasteful number, since it uses less digits than its factorization.

12732915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228.

The product of its digits is 3780, while the sum is 30.

The square root of 12732915 is about 3568.3210337636. The cubic root of 12732915 is about 233.5120410990.

The spelling of 12732915 in words is "twelve million, seven hundred thirty-two thousand, nine hundred fifteen".