12266187 has 8 divisors (see below), whose sum is σ = 16379904. Its totient is φ = 8164968.

The previous prime is 12266179. The next prime is 12266209. The reversal of 12266187 is 78166221.

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

It is not a de Polignac number, because 12266187 - 2³ = 12266179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12266687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523 + ... + 4980.

It is an arithmetic number, because the mean of its divisors is an integer number (2047488).

Almost surely, 2^12266187 is an apocalyptic number.

12266187 is a deficient number, since it is larger than the sum of its proper divisors (4113717).

12266187 is an equidigital number, since it uses as much as digits as its factorization.

12266187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6249.

The product of its digits is 8064, while the sum is 33.

The square root of 12266187 is about 3502.3116651720. The cubic root of 12266187 is about 230.6233061472.

The spelling of 12266187 in words is "twelve million, two hundred sixty-six thousand, one hundred eighty-seven".