12832731 has 12 divisors (see below), whose sum is σ = 18886608. Its totient is φ = 8393424.

The previous prime is 12832697. The next prime is 12832741. The reversal of 12832731 is 13723821.

It is not a de Polignac number, because 12832731 - 2⁹ = 12832219 is a prime.

It is a super-2 number, since 2×12832731² = 329357969836722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12832695 and 12832704.

It is not an unprimeable number, because it can be changed into a prime (12832741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12975 + ... + 13928.

It is an arithmetic number, because the mean of its divisors is an integer number (1573884).

Almost surely, 2^12832731 is an apocalyptic number.

12832731 is a deficient number, since it is larger than the sum of its proper divisors (6053877).

12832731 is a wasteful number, since it uses less digits than its factorization.

12832731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26962 (or 26959 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 12832731 is about 3582.2801397992. The cubic root of 12832731 is about 234.1206368974.

The spelling of 12832731 in words is "twelve million, eight hundred thirty-two thousand, seven hundred thirty-one".