12615264 has 120 divisors (see below), whose sum is σ = 38541888. Its totient is φ = 4043520.

The previous prime is 12615257. The next prime is 12615271. The reversal of 12615264 is 46251621.

It is an interprime number because it is at equal distance from previous prime (12615257) and next prime (12615271).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 80274 + ... + 80430.

Almost surely, 2^12615264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12615264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19270944).

12615264 is an abundant number, since it is smaller than the sum of its proper divisors (25926624).

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

12615264 is a wasteful number, since it uses less digits than its factorization.

12615264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 193 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 12615264 is about 3551.7972915131. The cubic root of 12615264 is about 232.7906043609.

Adding to 12615264 its reverse (46251621), we get a palindrome (58866885).

The spelling of 12615264 in words is "twelve million, six hundred fifteen thousand, two hundred sixty-four".