11667670 has 32 divisors (see below), whose sum is σ = 25049088. Its totient is φ = 3825888.

The previous prime is 11667659. The next prime is 11667673. The reversal of 11667670 is 7676611.

It is a happy number.

It is a super-2 number, since 2×11667670² = 272269046457800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11667673) 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, 2014 + ... + 5233.

It is an arithmetic number, because the mean of its divisors is an integer number (782784).

Almost surely, 2^11667670 is an apocalyptic number.

11667670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11667670 is an abundant number, since it is smaller than the sum of its proper divisors (13381418).

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

11667670 is a wasteful number, since it uses less digits than its factorization.

11667670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7284.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 11667670 is about 3415.7971251232. The cubic root of 11667670 is about 226.8095720334.

It can be divided in two parts, 1166 and 7670, that added together give a square (8836 = 94²).

The spelling of 11667670 in words is "eleven million, six hundred sixty-seven thousand, six hundred seventy".