12539952 has 30 divisors (see below), whose sum is σ = 35094852. Its totient is φ = 4179936.

The previous prime is 12539951. The next prime is 12539987. The reversal of 12539952 is 25993521.

It is a happy number.

12539952 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (12539951) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43398 + ... + 43685.

Almost surely, 2^12539952 is an apocalyptic number.

12539952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12539952 is an abundant number, since it is smaller than the sum of its proper divisors (22554900).

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

12539952 is a wasteful number, since it uses less digits than its factorization.

12539952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87097 (or 87088 counting only the distinct ones).

The product of its digits is 24300, while the sum is 36.

The square root of 12539952 is about 3541.1794645287. The cubic root of 12539952 is about 232.3264330687.

The spelling of 12539952 in words is "twelve million, five hundred thirty-nine thousand, nine hundred fifty-two".