13512003344 has 20 divisors (see below), whose sum is σ = 29919436224. Its totient is φ = 5790858528.

The previous prime is 13512003341. The next prime is 13512003353. The reversal of 13512003344 is 44330021531.

It is not an unprimeable number, because it can be changed into a prime (13512003341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60321332 + ... + 60321555.

Almost surely, 2^13512003344 is an apocalyptic number.

13512003344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13512003344 is an abundant number, since it is smaller than the sum of its proper divisors (16407432880).

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

13512003344 is a wasteful number, since it uses less digits than its factorization.

13512003344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120642902 (or 120642896 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 13512003344 its reverse (44330021531), we get a palindrome (57842024875).

The spelling of 13512003344 in words is "thirteen billion, five hundred twelve million, three thousand, three hundred forty-four".