11640732 has 12 divisors (see below), whose sum is σ = 27161736. Its totient is φ = 3880240.

The previous prime is 11640731. The next prime is 11640763. The reversal of 11640732 is 23704611.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11640731) 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, 485019 + ... + 485042.

It is an arithmetic number, because the mean of its divisors is an integer number (2263478).

Almost surely, 2^11640732 is an apocalyptic number.

11640732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11640732 is an abundant number, since it is smaller than the sum of its proper divisors (15521004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11640732 is a wasteful number, since it uses less digits than its factorization.

11640732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970068 (or 970066 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 11640732 is about 3411.8516966597. The cubic root of 11640732 is about 226.6348869325.

The spelling of 11640732 in words is "eleven million, six hundred forty thousand, seven hundred thirty-two".