11667172 has 12 divisors (see below), whose sum is σ = 22273776. Its totient is φ = 5303240.

The previous prime is 11667169. The next prime is 11667203. The reversal of 11667172 is 27176611.

It is a super-2 number, since 2×11667172² = 272245804955168, which contains 22 as substring.

It is a plaindrome in base 13.

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, 132538 + ... + 132625.

It is an arithmetic number, because the mean of its divisors is an integer number (1856148).

Almost surely, 2^11667172 is an apocalyptic number.

It is an amenable number.

11667172 is a deficient number, since it is larger than the sum of its proper divisors (10606604).

11667172 is a wasteful number, since it uses less digits than its factorization.

11667172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265178 (or 265176 counting only the distinct ones).

The product of its digits is 3528, while the sum is 31.

The square root of 11667172 is about 3415.7242277444. The cubic root of 11667172 is about 226.8063450888.

It can be divided in two parts, 1166 and 7172, that added together give a palindrome (8338).

The spelling of 11667172 in words is "eleven million, six hundred sixty-seven thousand, one hundred seventy-two".