11726920 has 16 divisors (see below), whose sum is σ = 26385660. Its totient is φ = 4690752.

The previous prime is 11726909. The next prime is 11726921. The reversal of 11726920 is 2962711.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10329796 + 1397124 = 3214^2 + 1182^2 .

It is not an unprimeable number, because it can be changed into a prime (11726921) 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, 146547 + ... + 146626.

Almost surely, 2^11726920 is an apocalyptic number.

11726920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11726920 is an abundant number, since it is smaller than the sum of its proper divisors (14658740).

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

11726920 is a wasteful number, since it uses less digits than its factorization.

11726920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293184 (or 293180 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 11726920 is about 3424.4590813733. The cubic root of 11726920 is about 227.1928471761.

The spelling of 11726920 in words is "eleven million, seven hundred twenty-six thousand, nine hundred twenty".