11640632 has 8 divisors (see below), whose sum is σ = 21826200. Its totient is φ = 5820312.

The previous prime is 11640623. The next prime is 11640649. The reversal of 11640632 is 23604611.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 11640598 and 11640607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727532 + ... + 727547.

It is an arithmetic number, because the mean of its divisors is an integer number (2728275).

Almost surely, 2^11640632 is an apocalyptic number.

It is an amenable number.

11640632 is a deficient number, since it is larger than the sum of its proper divisors (10185568).

11640632 is a wasteful number, since it uses less digits than its factorization.

11640632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455085 (or 1455081 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 11640632 is about 3411.8370418295. The cubic root of 11640632 is about 226.6342379597.

The spelling of 11640632 in words is "eleven million, six hundred forty thousand, six hundred thirty-two".