12515384 has 32 divisors (see below), whose sum is σ = 27372000. Its totient is φ = 5362560.

The previous prime is 12515369. The next prime is 12515387. The reversal of 12515384 is 48351521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12515387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464 + ... + 5024.

It is an arithmetic number, because the mean of its divisors is an integer number (855375).

Almost surely, 2^12515384 is an apocalyptic number.

12515384 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12515384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13686000).

12515384 is an abundant number, since it is smaller than the sum of its proper divisors (14856616).

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

12515384 is an equidigital number, since it uses as much as digits as its factorization.

12515384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4588 (or 4570 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

The square root of 12515384 is about 3537.7088630920. The cubic root of 12515384 is about 232.1746109192.

The spelling of 12515384 in words is "twelve million, five hundred fifteen thousand, three hundred eighty-four".