12266361 has 6 divisors (see below), whose sum is σ = 17718090. Its totient is φ = 8177568.

The previous prime is 12266357. The next prime is 12266363. The reversal of 12266361 is 16366221.

12266361 is a `hidden beast` number, since 1 + 2 + 26 + 636 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10361961 + 1904400 = 3219^2 + 1380^2 .

It is not a de Polignac number, because 12266361 - 2² = 12266357 is a prime.

It is a super-2 number, since 2×12266361² = 300927224364642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12266363) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 681456 + ... + 681473.

It is an arithmetic number, because the mean of its divisors is an integer number (2953015).

Almost surely, 2^12266361 is an apocalyptic number.

It is an amenable number.

12266361 is a deficient number, since it is larger than the sum of its proper divisors (5451729).

12266361 is a wasteful number, since it uses less digits than its factorization.

12266361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362935 (or 1362932 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 12266361 is about 3502.3365058201. The cubic root of 12266361 is about 230.6243966318.

The spelling of 12266361 in words is "twelve million, two hundred sixty-six thousand, three hundred sixty-one".