11653972 has 24 divisors (see below), whose sum is σ = 22391712. Its totient is φ = 5263200.

The previous prime is 11653951. The next prime is 11653981. The reversal of 11653972 is 27935611.

11653972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6847 + ... + 8377.

It is an arithmetic number, because the mean of its divisors is an integer number (932988).

Almost surely, 2^11653972 is an apocalyptic number.

It is an amenable number.

11653972 is a deficient number, since it is larger than the sum of its proper divisors (10737740).

11653972 is a wasteful number, since it uses less digits than its factorization.

11653972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719 (or 1717 counting only the distinct ones).

The product of its digits is 11340, while the sum is 34.

The square root of 11653972 is about 3413.7914406126. The cubic root of 11653972 is about 226.7207781230.

It can be divided in two parts, 116539 and 72, that added together give a palindrome (116611).

The spelling of 11653972 in words is "eleven million, six hundred fifty-three thousand, nine hundred seventy-two".