12266973 has 6 divisors (see below), whose sum is σ = 17718974. Its totient is φ = 8177976.

The previous prime is 12266939. The next prime is 12266983. The reversal of 12266973 is 37966221.

It can be written as a sum of positive squares in only one way, i.e., 7717284 + 4549689 = 2778^2 + 2133^2 .

It is not a de Polignac number, because 12266973 - 2⁶ = 12266909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12266923) 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, 681490 + ... + 681507.

Almost surely, 2^12266973 is an apocalyptic number.

It is an amenable number.

12266973 is a deficient number, since it is larger than the sum of its proper divisors (5452001).

12266973 is a wasteful number, since it uses less digits than its factorization.

12266973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363003 (or 1363000 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 12266973 is about 3502.4238749757. The cubic root of 12266973 is about 230.6282320476.

The spelling of 12266973 in words is "twelve million, two hundred sixty-six thousand, nine hundred seventy-three".