11563272 has 48 divisors (see below), whose sum is σ = 35792640. Its totient is φ = 3303648.

The previous prime is 11563261. The next prime is 11563283. The reversal of 11563272 is 27236511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11563261) and next prime (11563283).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10968 + ... + 11975.

It is an arithmetic number, because the mean of its divisors is an integer number (745680).

Almost surely, 2^11563272 is an apocalyptic number.

11563272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11563272 is an abundant number, since it is smaller than the sum of its proper divisors (24229368).

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

11563272 is a wasteful number, since it uses less digits than its factorization.

11563272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22962 (or 22955 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 11563272 is about 3400.4811424268. The cubic root of 11563272 is about 226.1310749294.

Adding to 11563272 its reverse (27236511), we get a palindrome (38799783).

The spelling of 11563272 in words is "eleven million, five hundred sixty-three thousand, two hundred seventy-two".