13239511332 has 48 divisors (see below), whose sum is σ = 31151262912. Its totient is φ = 4376211840.

The previous prime is 13239511331. The next prime is 13239511339. The reversal of 13239511332 is 23311593231.

It is a junction number, because it is equal to n+sod(n) for n = 13239511293 and 13239511302.

It is not an unprimeable number, because it can be changed into a prime (13239511331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3036498 + ... + 3040854.

It is an arithmetic number, because the mean of its divisors is an integer number (648984644).

Almost surely, 2^13239511332 is an apocalyptic number.

13239511332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13239511332 is an abundant number, since it is smaller than the sum of its proper divisors (17911751580).

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

13239511332 is a wasteful number, since it uses less digits than its factorization.

13239511332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6428 (or 6426 counting only the distinct ones).

The product of its digits is 14580, while the sum is 33.

The spelling of 13239511332 in words is "thirteen billion, two hundred thirty-nine million, five hundred eleven thousand, three hundred thirty-two".