13139652 has 24 divisors (see below), whose sum is σ = 30723616. Its totient is φ = 4370688.

The previous prime is 13139641. The next prime is 13139653. The reversal of 13139652 is 25693131.

13139652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13139652² = 345300909362208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13139653) 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, 7263 + ... + 8889.

Almost surely, 2^13139652 is an apocalyptic number.

13139652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13139652 is an abundant number, since it is smaller than the sum of its proper divisors (17583964).

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

13139652 is a wasteful number, since it uses less digits than its factorization.

13139652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2307 (or 2305 counting only the distinct ones).

The product of its digits is 4860, while the sum is 30.

The square root of 13139652 is about 3624.8657906190. The cubic root of 13139652 is about 235.9724424396.

The spelling of 13139652 in words is "thirteen million, one hundred thirty-nine thousand, six hundred fifty-two".