712828 has 6 divisors (see below), whose sum is σ = 1247456. Its totient is φ = 356412.

The previous prime is 712819. The next prime is 712837. The reversal of 712828 is 828217.

712828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (712819) and next prime (712837).

It is a junction number, because it is equal to n+sod(n) for n = 712796 and 712805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 89100 + ... + 89107.

2⁷¹²⁸²⁸ is an apocalyptic number.

It is an amenable number.

712828 is a deficient number, since it is larger than the sum of its proper divisors (534628).

712828 is a wasteful number, since it uses less digits than its factorization.

712828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178211 (or 178209 counting only the distinct ones).

The product of its digits is 1792, while the sum is 28.

The square root of 712828 is about 844.2914188833. The cubic root of 712828 is about 89.3295028184.

It can be divided in two parts, 712 and 828, that added together give a triangular number (1540 = T₅₅).

The spelling of 712828 in words is "seven hundred twelve thousand, eight hundred twenty-eight".