12613768 has 8 divisors (see below), whose sum is σ = 23650830. Its totient is φ = 6306880.

The previous prime is 12613721. The next prime is 12613823. The reversal of 12613768 is 86731621.

It can be written as a sum of positive squares in only one way, i.e., 11168964 + 1444804 = 3342^2 + 1202^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 788353 + ... + 788368.

Almost surely, 2^12613768 is an apocalyptic number.

It is an amenable number.

12613768 is a deficient number, since it is larger than the sum of its proper divisors (11037062).

12613768 is a wasteful number, since it uses less digits than its factorization.

12613768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576727 (or 1576723 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 12613768 is about 3551.5866876651. The cubic root of 12613768 is about 232.7814020562.

The spelling of 12613768 in words is "twelve million, six hundred thirteen thousand, seven hundred sixty-eight".