12944491 has 8 divisors (see below), whose sum is σ = 15572480. Its totient is φ = 10511208.

The previous prime is 12944473. The next prime is 12944501. The reversal of 12944491 is 19444921.

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 12944491 - 2²³ = 4555883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12944291) 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 7 ways as a sum of consecutive naturals, for example, 48531 + ... + 48796.

It is an arithmetic number, because the mean of its divisors is an integer number (1946560).

Almost surely, 2^12944491 is an apocalyptic number.

12944491 is a deficient number, since it is larger than the sum of its proper divisors (2627989).

12944491 is an equidigital number, since it uses as much as digits as its factorization.

12944491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97353.

The product of its digits is 10368, while the sum is 34.

The square root of 12944491 is about 3597.8453274147. The cubic root of 12944491 is about 234.7983240296.

It can be divided in two parts, 1 and 2944491, that added together give a palindrome (2944492).

The spelling of 12944491 in words is "twelve million, nine hundred forty-four thousand, four hundred ninety-one".