12983393 has 8 divisors (see below), whose sum is σ = 13808520. Its totient is φ = 12165120.

The previous prime is 12983381. The next prime is 12983401. The reversal of 12983393 is 39338921.

It can be written as a sum of positive squares in 4 ways, for example, as 7333264 + 5650129 = 2708^2 + 2377^2 .

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 12983393 - 2¹⁰ = 12982369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12983093) 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, 2513 + ... + 5681.

It is an arithmetic number, because the mean of its divisors is an integer number (1726065).

Almost surely, 2^12983393 is an apocalyptic number.

It is an amenable number.

12983393 is a deficient number, since it is larger than the sum of its proper divisors (825127).

12983393 is a wasteful number, since it uses less digits than its factorization.

12983393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3427.

The product of its digits is 34992, while the sum is 38.

The square root of 12983393 is about 3603.2475629632. The cubic root of 12983393 is about 235.0333014524.

The spelling of 12983393 in words is "twelve million, nine hundred eighty-three thousand, three hundred ninety-three".