13659390612 has 72 divisors (see below), whose sum is σ = 40921980736. Its totient is φ = 3902681088.

The previous prime is 13659390607. The next prime is 13659390617. The reversal of 13659390612 is 21609395631.

It is an interprime number because it is at equal distance from previous prime (13659390607) and next prime (13659390617).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13659390617) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 996973 + ... + 1010580.

Almost surely, 2^13659390612 is an apocalyptic number.

13659390612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13659390612 is an abundant number, since it is smaller than the sum of its proper divisors (27262590124).

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

13659390612 is a wasteful number, since it uses less digits than its factorization.

13659390612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2007579 (or 2007565 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 45.

The spelling of 13659390612 in words is "thirteen billion, six hundred fifty-nine million, three hundred ninety thousand, six hundred twelve".