13616444 has 12 divisors (see below), whose sum is σ = 24473064. Its totient is φ = 6624144.

The previous prime is 13616441. The next prime is 13616503. The reversal of 13616444 is 44461631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13616441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45854 + ... + 46149.

It is an arithmetic number, because the mean of its divisors is an integer number (2039422).

Almost surely, 2^13616444 is an apocalyptic number.

It is an amenable number.

13616444 is a deficient number, since it is larger than the sum of its proper divisors (10856620).

13616444 is a wasteful number, since it uses less digits than its factorization.

13616444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92044 (or 92042 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 13616444 is about 3690.0466121717. The cubic root of 13616444 is about 238.7928037434.

The spelling of 13616444 in words is "thirteen million, six hundred sixteen thousand, four hundred forty-four".