13217903612 has 12 divisors (see below), whose sum is σ = 23205235536. Its totient is φ = 6587836320.

The previous prime is 13217903609. The next prime is 13217903627. The reversal of 13217903612 is 21630971231.

It is a super-2 number, since 2×13217903612² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5277464 + ... + 5279967.

It is an arithmetic number, because the mean of its divisors is an integer number (1933769628).

Almost surely, 2^13217903612 is an apocalyptic number.

It is an amenable number.

13217903612 is a deficient number, since it is larger than the sum of its proper divisors (9987331924).

13217903612 is a wasteful number, since it uses less digits than its factorization.

13217903612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10557748 (or 10557746 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 35.

The spelling of 13217903612 in words is "thirteen billion, two hundred seventeen million, nine hundred three thousand, six hundred twelve".