11622720 has 56 divisors (see below), whose sum is σ = 36905184. Its totient is φ = 3099136.

The previous prime is 11622703. The next prime is 11622727. The reversal of 11622720 is 2722611.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11622727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5094 + ... + 7013.

Almost surely, 2^11622720 is an apocalyptic number.

11622720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11622720 is an abundant number, since it is smaller than the sum of its proper divisors (25282464).

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

11622720 is a wasteful number, since it uses less digits than its factorization.

11622720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12127 (or 12117 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 11622720 is about 3409.2110524284. The cubic root of 11622720 is about 226.5179339532.

The spelling of 11622720 in words is "eleven million, six hundred twenty-two thousand, seven hundred twenty".