188713 has 4 divisors (see below), whose sum is σ = 215680. Its totient is φ = 161748.

The previous prime is 188711. The next prime is 188719. The reversal of 188713 is 317881.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 317881 = 127 ⋅2503.

It is a cyclic number.

It is not a de Polignac number, because 188713 - 2¹ = 188711 is a prime.

It is a super-2 number, since 2×188713² = 71225192738, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (188711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13473 + ... + 13486.

It is an arithmetic number, because the mean of its divisors is an integer number (53920).

2¹⁸⁸⁷¹³ is an apocalyptic number.

It is an amenable number.

188713 is a deficient number, since it is larger than the sum of its proper divisors (26967).

188713 is an equidigital number, since it uses as much as digits as its factorization.

188713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26966.

The product of its digits is 1344, while the sum is 28.

The square root of 188713 is about 434.4110956226. The cubic root of 188713 is about 57.3588725531.

It can be divided in two parts, 1887 and 13, that multiplied together give a triangular number (24531 = T₂₂₁).

The spelling of 188713 in words is "one hundred eighty-eight thousand, seven hundred thirteen".