11640372 has 12 divisors (see below), whose sum is σ = 27160896. Its totient is φ = 3880120.

The previous prime is 11640347. The next prime is 11640403. The reversal of 11640372 is 27304611.

11640372 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485004 + ... + 485027.

It is an arithmetic number, because the mean of its divisors is an integer number (2263408).

Almost surely, 2^11640372 is an apocalyptic number.

11640372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11640372 is an abundant number, since it is smaller than the sum of its proper divisors (15520524).

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

11640372 is a wasteful number, since it uses less digits than its factorization.

11640372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970038 (or 970036 counting only the distinct ones).

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

The square root of 11640372 is about 3411.7989389763. The cubic root of 11640372 is about 226.6325506132.

Adding to 11640372 its reverse (27304611), we get a palindrome (38944983).

The spelling of 11640372 in words is "eleven million, six hundred forty thousand, three hundred seventy-two".