12911383 has 8 divisors (see below), whose sum is σ = 13381200. Its totient is φ = 12450048.

The previous prime is 12911363. The next prime is 12911399. The reversal of 12911383 is 38311921.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12911383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12911333) 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, 1063 + ... + 5191.

It is an arithmetic number, because the mean of its divisors is an integer number (1672650).

Almost surely, 2^12911383 is an apocalyptic number.

12911383 is a deficient number, since it is larger than the sum of its proper divisors (469817).

12911383 is an equidigital number, since it uses as much as digits as its factorization.

12911383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4241.

The product of its digits is 1296, while the sum is 28.

The square root of 12911383 is about 3593.2412944304. The cubic root of 12911383 is about 234.5979726492.

The spelling of 12911383 in words is "twelve million, nine hundred eleven thousand, three hundred eighty-three".