12247985 has 8 divisors (see below), whose sum is σ = 14804160. Its totient is φ = 9727344.

The previous prime is 12247981. The next prime is 12248011. The reversal of 12247985 is 58974221.

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 12247985 - 2² = 12247981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12247981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8117 + ... + 9506.

It is an arithmetic number, because the mean of its divisors is an integer number (1850520).

Almost surely, 2^12247985 is an apocalyptic number.

It is an amenable number.

12247985 is a deficient number, since it is larger than the sum of its proper divisors (2556175).

12247985 is a wasteful number, since it uses less digits than its factorization.

12247985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17767.

The product of its digits is 40320, while the sum is 38.

The square root of 12247985 is about 3499.7121310188. The cubic root of 12247985 is about 230.5091744144.

The spelling of 12247985 in words is "twelve million, two hundred forty-seven thousand, nine hundred eighty-five".