13487204724 has 36 divisors (see below), whose sum is σ = 36608128704. Its totient is φ = 3853486896.

The previous prime is 13487204719. The next prime is 13487204771. The reversal of 13487204724 is 42740278431.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11468124 + ... + 11469299.

It is an arithmetic number, because the mean of its divisors is an integer number (1016892464).

Almost surely, 2^13487204724 is an apocalyptic number.

13487204724 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13487204724 is an abundant number, since it is smaller than the sum of its proper divisors (23120923980).

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

13487204724 is a wasteful number, since it uses less digits than its factorization.

13487204724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22937444 (or 22937435 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 42.

The spelling of 13487204724 in words is "thirteen billion, four hundred eighty-seven million, two hundred four thousand, seven hundred twenty-four".