13739448 has 64 divisors (see below), whose sum is σ = 36172800. Its totient is φ = 4343040.

The previous prime is 13739447. The next prime is 13739449. The reversal of 13739448 is 84493731.

13739448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13739447) and next prime (13739449).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13739447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43740 + ... + 44052.

It is an arithmetic number, because the mean of its divisors is an integer number (565200).

Almost surely, 2^13739448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13739448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18086400).

13739448 is an abundant number, since it is smaller than the sum of its proper divisors (22433352).

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

13739448 is a wasteful number, since it uses less digits than its factorization.

13739448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 408 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 13739448 is about 3706.6761390766. The cubic root of 13739448 is about 239.5096934578.

The spelling of 13739448 in words is "thirteen million, seven hundred thirty-nine thousand, four hundred forty-eight".