712687 has 2 divisors, whose sum is σ = 712688. Its totient is φ = 712686.

The previous prime is 712681. The next prime is 712693. The reversal of 712687 is 786217.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (712681) and next prime (712693).

It is a cyclic number.

It is not a de Polignac number, because 712687 - 2¹⁵ = 679919 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (712681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356343 + 356344.

It is an arithmetic number, because the mean of its divisors is an integer number (356344).

2⁷¹²⁶⁸⁷ is an apocalyptic number.

712687 is a deficient number, since it is larger than the sum of its proper divisors (1).

712687 is an equidigital number, since it uses as much as digits as its factorization.

712687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4704, while the sum is 31.

The square root of 712687 is about 844.2079127798. The cubic root of 712687 is about 89.3236125286.

The spelling of 712687 in words is "seven hundred twelve thousand, six hundred eighty-seven".