12944869 has 12 divisors (see below), whose sum is σ = 15286944. Its totient is φ = 10927224.

The previous prime is 12944851. The next prime is 12944873. The reversal of 12944869 is 96844921.

12944869 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12944869 - 2¹¹ = 12942821 is a prime.

It is a super-2 number, since 2×12944869² = 335139266854322, which contains 22 as substring.

It is a Duffinian number.

12944869 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12944819) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1312 + ... + 5254.

It is an arithmetic number, because the mean of its divisors is an integer number (1273912).

Almost surely, 2^12944869 is an apocalyptic number.

It is an amenable number.

12944869 is a deficient number, since it is larger than the sum of its proper divisors (2342075).

12944869 is an equidigital number, since it uses as much as digits as its factorization.

12944869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4024 (or 4017 counting only the distinct ones).

The product of its digits is 124416, while the sum is 43.

The square root of 12944869 is about 3597.8978584724. The cubic root of 12944869 is about 234.8006095038.

The spelling of 12944869 in words is "twelve million, nine hundred forty-four thousand, eight hundred sixty-nine".