11631632 has 20 divisors (see below), whose sum is σ = 22608300. Its totient is φ = 5797248.

The previous prime is 11631623. The next prime is 11631637. The reversal of 11631632 is 23613611.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7929856 + 3701776 = 2816^2 + 1924^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11631598 and 11631607.

It is not an unprimeable number, because it can be changed into a prime (11631637) 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, 4994 + ... + 6942.

It is an arithmetic number, because the mean of its divisors is an integer number (1130415).

Almost surely, 2^11631632 is an apocalyptic number.

It is an amenable number.

11631632 is a deficient number, since it is larger than the sum of its proper divisors (10976668).

11631632 is a wasteful number, since it uses less digits than its factorization.

11631632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2330 (or 2324 counting only the distinct ones).

The product of its digits is 648, while the sum is 23.

The square root of 11631632 is about 3410.5178492423. The cubic root of 11631632 is about 226.5758151857.

The spelling of 11631632 in words is "eleven million, six hundred thirty-one thousand, six hundred thirty-two".