13739828 has 12 divisors (see below), whose sum is σ = 24111780. Its totient is φ = 6850752.

The previous prime is 13739821. The next prime is 13739897. The reversal of 13739828 is 82893731.

13739828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4571044 + 9168784 = 2138^2 + 3028^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13739821) 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, 3113 + ... + 6096.

It is an arithmetic number, because the mean of its divisors is an integer number (2009315).

Almost surely, 2^13739828 is an apocalyptic number.

It is an amenable number.

13739828 is a deficient number, since it is larger than the sum of its proper divisors (10371952).

13739828 is a wasteful number, since it uses less digits than its factorization.

13739828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9586 (or 9584 counting only the distinct ones).

The product of its digits is 72576, while the sum is 41.

The square root of 13739828 is about 3706.7273975840. The cubic root of 13739828 is about 239.5119015243.

The spelling of 13739828 in words is "thirteen million, seven hundred thirty-nine thousand, eight hundred twenty-eight".