13612065304 has 16 divisors (see below), whose sum is σ = 25872248520. Its totient is φ = 6712799040.

The previous prime is 13612065301. The next prime is 13612065319. The reversal of 13612065304 is 40356021631.

It is a super-2 number, since 2×13612065304² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13612065301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11653582 + ... + 11654749.

Almost surely, 2^13612065304 is an apocalyptic number.

It is an amenable number.

13612065304 is a deficient number, since it is larger than the sum of its proper divisors (12260183216).

13612065304 is a wasteful number, since it uses less digits than its factorization.

13612065304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23308410 (or 23308406 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 13612065304 its reverse (40356021631), we get a palindrome (53968086935).

The spelling of 13612065304 in words is "thirteen billion, six hundred twelve million, sixty-five thousand, three hundred four".