12633393 has 4 divisors (see below), whose sum is σ = 16844528. Its totient is φ = 8422260.

The previous prime is 12633389. The next prime is 12633407. The reversal of 12633393 is 39333621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39333621 = 3 ⋅13111207.

It is not a de Polignac number, because 12633393 - 2² = 12633389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12633393.

It is not an unprimeable number, because it can be changed into a prime (12633323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2105563 + ... + 2105568.

It is an arithmetic number, because the mean of its divisors is an integer number (4211132).

Almost surely, 2^12633393 is an apocalyptic number.

It is an amenable number.

12633393 is a deficient number, since it is larger than the sum of its proper divisors (4211135).

12633393 is an equidigital number, since it uses as much as digits as its factorization.

12633393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4211134.

The product of its digits is 8748, while the sum is 30.

The square root of 12633393 is about 3554.3484635021. The cubic root of 12633393 is about 232.9020630108.

It can be divided in two parts, 1263 and 3393, that added together give a triangular number (4656 = T₉₆).

The spelling of 12633393 in words is "twelve million, six hundred thirty-three thousand, three hundred ninety-three".