11713381 has 4 divisors (see below), whose sum is σ = 12091264. Its totient is φ = 11335500.

The previous prime is 11713369. The next prime is 11713421. The reversal of 11713381 is 18331711.

11713381 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 11713381 - 2¹⁷ = 11582309 is a prime.

It is a super-2 number, since 2×11713381² = 274406588902322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11713301) 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, 188895 + ... + 188956.

It is an arithmetic number, because the mean of its divisors is an integer number (3022816).

Almost surely, 2^11713381 is an apocalyptic number.

It is an amenable number.

11713381 is a deficient number, since it is larger than the sum of its proper divisors (377883).

11713381 is an equidigital number, since it uses as much as digits as its factorization.

11713381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377882.

The product of its digits is 504, while the sum is 25.

The square root of 11713381 is about 3422.4817019233. The cubic root of 11713381 is about 227.1053803768.

The spelling of 11713381 in words is "eleven million, seven hundred thirteen thousand, three hundred eighty-one".