11640507 has 16 divisors (see below), whose sum is σ = 16424448. Its totient is φ = 7318080.

The previous prime is 11640491. The next prime is 11640509. The reversal of 11640507 is 70504611.

It is not a de Polignac number, because 11640507 - 2⁴ = 11640491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11640509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3882 + ... + 6192.

It is an arithmetic number, because the mean of its divisors is an integer number (1026528).

Almost surely, 2^11640507 is an apocalyptic number.

11640507 is a deficient number, since it is larger than the sum of its proper divisors (4783941).

11640507 is a wasteful number, since it uses less digits than its factorization.

11640507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2410.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 11640507 is about 3411.8187232032. The cubic root of 11640507 is about 226.6334267386.

The spelling of 11640507 in words is "eleven million, six hundred forty thousand, five hundred seven".