11972624 has 20 divisors (see below), whose sum is σ = 24562044. Its totient is φ = 5634048.

The previous prime is 11972593. The next prime is 11972629. The reversal of 11972624 is 42627911.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9412624 + 2560000 = 3068^2 + 1600^2 .

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (11972629) 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, 21737 + ... + 22280.

Almost surely, 2^11972624 is an apocalyptic number.

It is an amenable number.

11972624 is an abundant number, since it is smaller than the sum of its proper divisors (12589420).

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

11972624 is a wasteful number, since it uses less digits than its factorization.

11972624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44042 (or 44036 counting only the distinct ones).

The product of its digits is 6048, while the sum is 32.

The square root of 11972624 is about 3460.1479737144. The cubic root of 11972624 is about 228.7686176333.

The spelling of 11972624 in words is "eleven million, nine hundred seventy-two thousand, six hundred twenty-four".