13612312506 has 32 divisors (see below), whose sum is σ = 30111234048. Its totient is φ = 4075202880.

The previous prime is 13612312463. The next prime is 13612312507. The reversal of 13612312506 is 60521321631.

It is a super-2 number, since 2×13612312506² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13612312507) 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, 2355450 + ... + 2361221.

It is an arithmetic number, because the mean of its divisors is an integer number (940976064).

Almost surely, 2^13612312506 is an apocalyptic number.

13612312506 is an abundant number, since it is smaller than the sum of its proper divisors (16498921542).

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

13612312506 is a wasteful number, since it uses less digits than its factorization.

13612312506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4716726.

The product of its (nonzero) digits is 6480, while the sum is 30.

The spelling of 13612312506 in words is "thirteen billion, six hundred twelve million, three hundred twelve thousand, five hundred six".