12963393 has 12 divisors (see below), whose sum is σ = 18989568. Its totient is φ = 8520120.

The previous prime is 12963343. The next prime is 12963407. The reversal of 12963393 is 39336921.

It is a happy number.

12963393 is a `hidden beast` number, since 12 + 9 + 633 + 9 + 3 = 666.

12963393 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-12963393 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12963343) 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 11 ways as a sum of consecutive naturals, for example, 9505 + ... + 10782.

It is an arithmetic number, because the mean of its divisors is an integer number (1582464).

Almost surely, 2^12963393 is an apocalyptic number.

It is an amenable number.

12963393 is a deficient number, since it is larger than the sum of its proper divisors (6026175).

12963393 is a wasteful number, since it uses less digits than its factorization.

12963393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20364 (or 20361 counting only the distinct ones).

The product of its digits is 26244, while the sum is 36.

The square root of 12963393 is about 3600.4712191601. The cubic root of 12963393 is about 234.9125553635.

The spelling of 12963393 in words is "twelve million, nine hundred sixty-three thousand, three hundred ninety-three".