12245872 has 20 divisors (see below), whose sum is σ = 24117256. Its totient is φ = 6022080.

The previous prime is 12245851. The next prime is 12245873. The reversal of 12245872 is 27854221.

It is a happy number.

It is a super-2 number, since 2×12245872² = 299922762080768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12245873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5298 + ... + 7249.

Almost surely, 2^12245872 is an apocalyptic number.

It is an amenable number.

12245872 is a deficient number, since it is larger than the sum of its proper divisors (11871384).

12245872 is a wasteful number, since it uses less digits than its factorization.

12245872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12616 (or 12610 counting only the distinct ones).

The product of its digits is 8960, while the sum is 31.

The square root of 12245872 is about 3499.4102360255. The cubic root of 12245872 is about 230.4959179782.

The spelling of 12245872 in words is "twelve million, two hundred forty-five thousand, eight hundred seventy-two".