13499444 has 12 divisors (see below), whose sum is σ = 26998944. Its totient is φ = 5785464.

The previous prime is 13499407. The next prime is 13499449. The reversal of 13499444 is 44499431.

It is a happy number.

13499444 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 13499398 and 13499407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13499449) 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, 241034 + ... + 241089.

It is an arithmetic number, because the mean of its divisors is an integer number (2249912).

Almost surely, 2^13499444 is an apocalyptic number.

13499444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13499444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13499444 is a wasteful number, since it uses less digits than its factorization.

13499444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482134 (or 482132 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 13499444 is about 3674.1589513792. The cubic root of 13499444 is about 238.1068888800.

The spelling of 13499444 in words is "thirteen million, four hundred ninety-nine thousand, four hundred forty-four".