13444918 has 12 divisors (see below), whose sum is σ = 20399940. Its totient is φ = 6645800.

The previous prime is 13444883. The next prime is 13444919. The reversal of 13444918 is 81944431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13444919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20073 + ... + 20731.

It is an arithmetic number, because the mean of its divisors is an integer number (1699995).

Almost surely, 2^13444918 is an apocalyptic number.

13444918 is a deficient number, since it is larger than the sum of its proper divisors (6955022).

13444918 is an equidigital number, since it uses as much as digits as its factorization.

13444918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863 (or 762 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 13444918 is about 3666.7312418556. The cubic root of 13444918 is about 237.7858747805.

The spelling of 13444918 in words is "thirteen million, four hundred forty-four thousand, nine hundred eighteen".