12904383 has 4 divisors (see below), whose sum is σ = 17205848. Its totient is φ = 8602920.

The previous prime is 12904373. The next prime is 12904399. The reversal of 12904383 is 38340921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38340921 = 3 ⋅12780307.

It is not a de Polignac number, because 12904383 - 2⁶ = 12904319 is a prime.

It is a super-2 number, since 2×12904383² = 333046201221378, which contains 22 as substring.

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 12904383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12904313) 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, 2150728 + ... + 2150733.

It is an arithmetic number, because the mean of its divisors is an integer number (4301462).

Almost surely, 2^12904383 is an apocalyptic number.

12904383 is a deficient number, since it is larger than the sum of its proper divisors (4301465).

12904383 is an equidigital number, since it uses as much as digits as its factorization.

12904383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4301464.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 12904383 is about 3592.2671114493. The cubic root of 12904383 is about 234.5555686539. Note that the first 4 decimals are identical.

The spelling of 12904383 in words is "twelve million, nine hundred four thousand, three hundred eighty-three".