712928 has 12 divisors (see below), whose sum is σ = 1403640. Its totient is φ = 356448.

The previous prime is 712927. The next prime is 712939. The reversal of 712928 is 829217.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 712928.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11108 + ... + 11171.

It is an arithmetic number, because the mean of its divisors is an integer number (116970).

2⁷¹²⁹²⁸ is an apocalyptic number.

It is an amenable number.

712928 is a deficient number, since it is larger than the sum of its proper divisors (690712).

712928 is a wasteful number, since it uses less digits than its factorization.

712928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22289 (or 22281 counting only the distinct ones).

The product of its digits is 2016, while the sum is 29.

The square root of 712928 is about 844.3506380645. The cubic root of 712928 is about 89.3336798581. Note that the first 3 decimals are identical.

The spelling of 712928 in words is "seven hundred twelve thousand, nine hundred twenty-eight".