12390697 has 8 divisors (see below), whose sum is σ = 13545792. Its totient is φ = 11240400.

The previous prime is 12390673. The next prime is 12390701. The reversal of 12390697 is 79609321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12390697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12390617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6247 + ... + 7987.

It is an arithmetic number, because the mean of its divisors is an integer number (1693224).

Almost surely, 2^12390697 is an apocalyptic number.

It is an amenable number.

12390697 is a deficient number, since it is larger than the sum of its proper divisors (1155095).

12390697 is a wasteful number, since it uses less digits than its factorization.

12390697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2399.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 12390697 is about 3520.0421872472. The cubic root of 12390697 is about 231.4010075786.

The spelling of 12390697 in words is "twelve million, three hundred ninety thousand, six hundred ninety-seven".