12245866 has 12 divisors (see below), whose sum is σ = 18601542. Its totient is φ = 6046304.

The previous prime is 12245851. The next prime is 12245873. The reversal of 12245866 is 66854221.

It can be written as a sum of positive squares in 3 ways, for example, as 3690241 + 8555625 = 1921^2 + 2925^2 .

It is a super-2 number, since 2×12245866² = 299922468179912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15456 + ... + 16228.

Almost surely, 2^12245866 is an apocalyptic number.

12245866 is a deficient number, since it is larger than the sum of its proper divisors (6355676).

12245866 is an frugal number, since it uses more digits than its factorization.

12245866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953 (or 864 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 12245866 is about 3499.4093787381. The cubic root of 12245866 is about 230.4958803335.

The spelling of 12245866 in words is "twelve million, two hundred forty-five thousand, eight hundred sixty-six".