11622572 has 24 divisors (see below), whose sum is σ = 21998256. Its totient is φ = 5341248.

The previous prime is 11622571. The next prime is 11622581. The reversal of 11622572 is 27522611.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (11622571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20363 + ... + 20925.

It is an arithmetic number, because the mean of its divisors is an integer number (916594).

Almost surely, 2^11622572 is an apocalyptic number.

It is an amenable number.

11622572 is a deficient number, since it is larger than the sum of its proper divisors (10375684).

11622572 is a wasteful number, since it uses less digits than its factorization.

11622572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977 (or 975 counting only the distinct ones).

The product of its digits is 1680, while the sum is 26.

The square root of 11622572 is about 3409.1893464576. The cubic root of 11622572 is about 226.5169724801.

The spelling of 11622572 in words is "eleven million, six hundred twenty-two thousand, five hundred seventy-two".