12539052 has 18 divisors (see below), whose sum is σ = 31696028. Its totient is φ = 4179672.

The previous prime is 12539039. The next prime is 12539057. The reversal of 12539052 is 25093521.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (12539057) 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, 174118 + ... + 174189.

Almost surely, 2^12539052 is an apocalyptic number.

12539052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12539052 is an abundant number, since it is smaller than the sum of its proper divisors (19156976).

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

12539052 is a wasteful number, since it uses less digits than its factorization.

12539052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348317 (or 348312 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 12539052 is about 3541.0523859440. The cubic root of 12539052 is about 232.3208748658.

The spelling of 12539052 in words is "twelve million, five hundred thirty-nine thousand, fifty-two".