22713 has 8 divisors (see below), whose sum is σ = 31008. Its totient is φ = 14784.

The previous prime is 22709. The next prime is 22717. The reversal of 22713 is 31722.

It is an interprime number because it is at equal distance from previous prime (22709) and next prime (22717).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22713 - 2² = 22709 is a prime.

It is a Curzon number.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 22692 and 22701.

It is not an unprimeable number, because it can be changed into a prime (22717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145 + ... + 257.

It is an arithmetic number, because the mean of its divisors is an integer number (3876).

2²²⁷¹³ is an apocalyptic number.

It is an amenable number.

22713 is a deficient number, since it is larger than the sum of its proper divisors (8295).

22713 is a wasteful number, since it uses less digits than its factorization.

22713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183.

The product of its digits is 84, while the sum is 15.

The square root of 22713 is about 150.7083275735. The cubic root of 22713 is about 28.3198859678.

Subtracting 22713 from its reverse (31722), we obtain a palindrome (9009).

The spelling of 22713 in words is "twenty-two thousand, seven hundred thirteen".