12919844 has 24 divisors (see below), whose sum is σ = 26013120. Its totient is φ = 5499936.

The previous prime is 12919843. The next prime is 12919853. The reversal of 12919844 is 44891921.

It is a junction number, because it is equal to n+sod(n) for n = 12919798 and 12919807.

It is not an unprimeable number, because it can be changed into a prime (12919843) 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, 2927 + ... + 5865.

It is an arithmetic number, because the mean of its divisors is an integer number (1083880).

Almost surely, 2^12919844 is an apocalyptic number.

12919844 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12919844 is an abundant number, since it is smaller than the sum of its proper divisors (13093276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12919844 is a wasteful number, since it uses less digits than its factorization.

12919844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3107 (or 3105 counting only the distinct ones).

The product of its digits is 20736, while the sum is 38.

The square root of 12919844 is about 3594.4184508763. The cubic root of 12919844 is about 234.6492065106.

The spelling of 12919844 in words is "twelve million, nine hundred nineteen thousand, eight hundred forty-four".