13512340436 has 24 divisors (see below), whose sum is σ = 27366769920. Its totient is φ = 5717698272.

The previous prime is 13512340411. The next prime is 13512340453. The reversal of 13512340436 is 63404321531.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3052115 + ... + 3056538.

It is an arithmetic number, because the mean of its divisors is an integer number (1140282080).

Almost surely, 2^13512340436 is an apocalyptic number.

It is an amenable number.

13512340436 is an abundant number, since it is smaller than the sum of its proper divisors (13854429484).

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

13512340436 is a wasteful number, since it uses less digits than its factorization.

13512340436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6108743 (or 6108741 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 13512340436 its reverse (63404321531), we get a palindrome (76916661967).

The spelling of 13512340436 in words is "thirteen billion, five hundred twelve million, three hundred forty thousand, four hundred thirty-six".