11543972 has 48 divisors (see below), whose sum is σ = 23284800. Its totient is φ = 4959360.

The previous prime is 11543971. The next prime is 11543981. The reversal of 11543972 is 27934511.

It is not an unprimeable number, because it can be changed into a prime (11543971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105854 + ... + 105962.

It is an arithmetic number, because the mean of its divisors is an integer number (485100).

Almost surely, 2^11543972 is an apocalyptic number.

It is an amenable number.

11543972 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

11543972 is a wasteful number, since it uses less digits than its factorization.

11543972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236 (or 234 counting only the distinct ones).

The product of its digits is 7560, while the sum is 32.

The square root of 11543972 is about 3397.6421235910. The cubic root of 11543972 is about 226.0051947536.

It can be divided in two parts, 115439 and 72, that added together give a palindrome (115511).

The spelling of 11543972 in words is "eleven million, five hundred forty-three thousand, nine hundred seventy-two".