12732315 has 16 divisors (see below), whose sum is σ = 20448288. Its totient is φ = 6765056.

The previous prime is 12732311. The next prime is 12732319. The reversal of 12732315 is 51323721.

12732315 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 an interprime number because it is at equal distance from previous prime (12732311) and next prime (12732319).

It is a cyclic number.

It is not a de Polignac number, because 12732315 - 2² = 12732311 is a prime.

It is a super-2 number, since 2×12732315² = 324223690518450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12732311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2947 + ... + 5843.

It is an arithmetic number, because the mean of its divisors is an integer number (1278018).

Almost surely, 2^12732315 is an apocalyptic number.

12732315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12732315 is a deficient number, since it is larger than the sum of its proper divisors (7715973).

12732315 is a wasteful number, since it uses less digits than its factorization.

12732315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3198.

The product of its digits is 1260, while the sum is 24.

The square root of 12732315 is about 3568.2369596203. The cubic root of 12732315 is about 233.5083731925.

The spelling of 12732315 in words is "twelve million, seven hundred thirty-two thousand, three hundred fifteen".