11723936 has 36 divisors (see below), whose sum is σ = 26853498. Its totient is φ = 5023872.

The previous prime is 11723911. The next prime is 11723941. The reversal of 11723936 is 63932711.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7075600 + 4648336 = 2660^2 + 2156^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2171 + ... + 5306.

Almost surely, 2^11723936 is an apocalyptic number.

11723936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11723936 is an abundant number, since it is smaller than the sum of its proper divisors (15129562).

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

11723936 is an equidigital number, since it uses as much as digits as its factorization.

11723936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7501 (or 7486 counting only the distinct ones).

The product of its digits is 6804, while the sum is 32.

The square root of 11723936 is about 3424.0233644063. The cubic root of 11723936 is about 227.1735752512.

The spelling of 11723936 in words is "eleven million, seven hundred twenty-three thousand, nine hundred thirty-six".