12390693 has 8 divisors (see below), whose sum is σ = 18881088. Its totient is φ = 7080384.

The previous prime is 12390673. The next prime is 12390701. The reversal of 12390693 is 39609321.

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

It is not a de Polignac number, because 12390693 - 2⁸ = 12390437 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12390613) 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, 294996 + ... + 295037.

It is an arithmetic number, because the mean of its divisors is an integer number (2360136).

Almost surely, 2^12390693 is an apocalyptic number.

It is an amenable number.

12390693 is a deficient number, since it is larger than the sum of its proper divisors (6490395).

12390693 is an equidigital number, since it uses as much as digits as its factorization.

12390693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590043.

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 12390693 is about 3520.0416190721. The cubic root of 12390693 is about 231.4009826781.

The spelling of 12390693 in words is "twelve million, three hundred ninety thousand, six hundred ninety-three".