712623 has 16 divisors (see below), whose sum is σ = 1023840. Its totient is φ = 439296.

The previous prime is 712603. The next prime is 712631. The reversal of 712623 is 326217.

It is a happy number.

It is not a de Polignac number, because 712623 - 2¹² = 708527 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 712623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4461 + ... + 4617.

It is an arithmetic number, because the mean of its divisors is an integer number (63990).

2⁷¹²⁶²³ is an apocalyptic number.

712623 is a deficient number, since it is larger than the sum of its proper divisors (311217).

712623 is a wasteful number, since it uses less digits than its factorization.

712623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266.

The product of its digits is 504, while the sum is 21.

The square root of 712623 is about 844.1700065745. The cubic root of 712623 is about 89.3209386655.

The spelling of 712623 in words is "seven hundred twelve thousand, six hundred twenty-three".