11640570 has 32 divisors (see below), whose sum is σ = 28695168. Its totient is φ = 3019968.

The previous prime is 11640547. The next prime is 11640583. The reversal of 11640570 is 7504611.

It is a self number, because there is not a number n which added to its sum of digits gives 11640570.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4134 + ... + 6353.

It is an arithmetic number, because the mean of its divisors is an integer number (896724).

Almost surely, 2^11640570 is an apocalyptic number.

11640570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11640570 is an abundant number, since it is smaller than the sum of its proper divisors (17054598).

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

11640570 is a wasteful number, since it uses less digits than its factorization.

11640570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10534.

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

The square root of 11640570 is about 3411.8279558032. The cubic root of 11640570 is about 226.6338355947.

The spelling of 11640570 in words is "eleven million, six hundred forty thousand, five hundred seventy".