12245947 has 8 divisors (see below), whose sum is σ = 14134752. Its totient is φ = 10392000.

The previous prime is 12245941. The next prime is 12245951. The reversal of 12245947 is 74954221.

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

It is a cyclic number.

It is not a de Polignac number, because 12245947 - 2³ = 12245939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12245941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7954 + ... + 9367.

It is an arithmetic number, because the mean of its divisors is an integer number (1766844).

Almost surely, 2^12245947 is an apocalyptic number.

12245947 is a deficient number, since it is larger than the sum of its proper divisors (1888805).

12245947 is a wasteful number, since it uses less digits than its factorization.

12245947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17429.

The product of its digits is 20160, while the sum is 34.

The square root of 12245947 is about 3499.4209521005. The cubic root of 12245947 is about 230.4963885356.

The spelling of 12245947 in words is "twelve million, two hundred forty-five thousand, nine hundred forty-seven".