13444399 has 8 divisors (see below), whose sum is σ = 14346288. Its totient is φ = 12554880.

The previous prime is 13444373. The next prime is 13444469. The reversal of 13444399 is 99344431.

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 13444399 - 2⁵ = 13444367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13444369) 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 7 ways as a sum of consecutive naturals, for example, 792 + ... + 5245.

It is an arithmetic number, because the mean of its divisors is an integer number (1793286).

Almost surely, 2^13444399 is an apocalyptic number.

13444399 is a deficient number, since it is larger than the sum of its proper divisors (901889).

13444399 is a wasteful number, since it uses less digits than its factorization.

13444399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6185.

The product of its digits is 46656, while the sum is 37.

The square root of 13444399 is about 3666.6604696917. The cubic root of 13444399 is about 237.7828150753.

The spelling of 13444399 in words is "thirteen million, four hundred forty-four thousand, three hundred ninety-nine".