12517772 has 6 divisors (see below), whose sum is σ = 21906108. Its totient is φ = 6258884.

The previous prime is 12517759. The next prime is 12517793. The reversal of 12517772 is 27771521.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1564718 + ... + 1564725.

It is an arithmetic number, because the mean of its divisors is an integer number (3651018).

Almost surely, 2^12517772 is an apocalyptic number.

It is an amenable number.

12517772 is a deficient number, since it is larger than the sum of its proper divisors (9388336).

12517772 is a wasteful number, since it uses less digits than its factorization.

12517772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3129447 (or 3129445 counting only the distinct ones).

The product of its digits is 6860, while the sum is 32.

The square root of 12517772 is about 3538.0463535686. The cubic root of 12517772 is about 232.1893766857.

The spelling of 12517772 in words is "twelve million, five hundred seventeen thousand, seven hundred seventy-two".