12645393 has 8 divisors (see below), whose sum is σ = 17748000. Its totient is φ = 7986528.

The previous prime is 12645389. The next prime is 12645401. The reversal of 12645393 is 39354621.

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

It is not a de Polignac number, because 12645393 - 2² = 12645389 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12645383) 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, 110868 + ... + 110981.

It is an arithmetic number, because the mean of its divisors is an integer number (2218500).

Almost surely, 2^12645393 is an apocalyptic number.

It is an amenable number.

12645393 is a deficient number, since it is larger than the sum of its proper divisors (5102607).

12645393 is a wasteful number, since it uses less digits than its factorization.

12645393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221871.

The product of its digits is 19440, while the sum is 33.

The square root of 12645393 is about 3556.0361359244. The cubic root of 12645393 is about 232.9757814046.

The spelling of 12645393 in words is "twelve million, six hundred forty-five thousand, three hundred ninety-three".