11640670 has 8 divisors (see below), whose sum is σ = 20953224. Its totient is φ = 4656264.

The previous prime is 11640649. The next prime is 11640677. The reversal of 11640670 is 7604611.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11640677) 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, 582024 + ... + 582043.

It is an arithmetic number, because the mean of its divisors is an integer number (2619153).

Almost surely, 2^11640670 is an apocalyptic number.

11640670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11640670 is a deficient number, since it is larger than the sum of its proper divisors (9312554).

11640670 is a wasteful number, since it uses less digits than its factorization.

11640670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164074.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 11640670 is about 3411.8426106724. The cubic root of 11640670 is about 226.6344845698.

The spelling of 11640670 in words is "eleven million, six hundred forty thousand, six hundred seventy".