12712732 has 12 divisors (see below), whose sum is σ = 22377096. Its totient is φ = 6319280.

The previous prime is 12712727. The next prime is 12712741. The reversal of 12712732 is 23721721.

It is a super-2 number, since 2×12712732² = 323227109807648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12712697 and 12712706.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8494 + ... + 9877.

It is an arithmetic number, because the mean of its divisors is an integer number (1864758).

Almost surely, 2^12712732 is an apocalyptic number.

It is an amenable number.

12712732 is a deficient number, since it is larger than the sum of its proper divisors (9664364).

12712732 is a wasteful number, since it uses less digits than its factorization.

12712732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18548 (or 18546 counting only the distinct ones).

The product of its digits is 1176, while the sum is 25.

The square root of 12712732 is about 3565.4918314308. The cubic root of 12712732 is about 233.3885955276.

The spelling of 12712732 in words is "twelve million, seven hundred twelve thousand, seven hundred thirty-two".