11663732 has 12 divisors (see below), whose sum is σ = 20963460. Its totient is φ = 5674176.

The previous prime is 11663731. The next prime is 11663837. The reversal of 11663732 is 23736611.

It can be written as a sum of positive squares in 2 ways, for example, as 4024036 + 7639696 = 2006^2 + 2764^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11663695 and 11663704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11663731) 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, 39257 + ... + 39552.

It is an arithmetic number, because the mean of its divisors is an integer number (1746955).

Almost surely, 2^11663732 is an apocalyptic number.

It is an amenable number.

11663732 is a deficient number, since it is larger than the sum of its proper divisors (9299728).

11663732 is a wasteful number, since it uses less digits than its factorization.

11663732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78850 (or 78848 counting only the distinct ones).

The product of its digits is 4536, while the sum is 29.

The square root of 11663732 is about 3415.2206370892. The cubic root of 11663732 is about 226.7840520396.

The spelling of 11663732 in words is "eleven million, six hundred sixty-three thousand, seven hundred thirty-two".