11713872 has 40 divisors (see below), whose sum is σ = 30684544. Its totient is φ = 3849984.

The previous prime is 11713859. The next prime is 11713907. The reversal of 11713872 is 27831711.

11713872 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1833 + ... + 5175.

Almost surely, 2^11713872 is an apocalyptic number.

11713872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11713872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15342272).

11713872 is an abundant number, since it is smaller than the sum of its proper divisors (18970672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11713872 is a wasteful number, since it uses less digits than its factorization.

11713872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3427 (or 3421 counting only the distinct ones).

The product of its digits is 2352, while the sum is 30.

The square root of 11713872 is about 3422.5534327458. The cubic root of 11713872 is about 227.1085535905.

The spelling of 11713872 in words is "eleven million, seven hundred thirteen thousand, eight hundred seventy-two".