13912704585 has 80 divisors (see below), whose sum is σ = 27071041536. Its totient is φ = 6795073152.

The previous prime is 13912704581. The next prime is 13912704593. The reversal of 13912704585 is 58540721931.

It is not a de Polignac number, because 13912704585 - 2² = 13912704581 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 13912704585.

It is not an unprimeable number, because it can be changed into a prime (13912704581) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 658252 + ... + 679058.

Almost surely, 2^13912704585 is an apocalyptic number.

13912704585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13912704585 is a deficient number, since it is larger than the sum of its proper divisors (13158336951).

13912704585 is a wasteful number, since it uses less digits than its factorization.

13912704585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20964 (or 20955 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The spelling of 13912704585 in words is "thirteen billion, nine hundred twelve million, seven hundred four thousand, five hundred eighty-five".