13839648 has 24 divisors (see below), whose sum is σ = 36329328. Its totient is φ = 4613184.

The previous prime is 13839643. The next prime is 13839653. The reversal of 13839648 is 84693831.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13839643) and next prime (13839653).

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (13839643) 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, 71986 + ... + 72177.

It is an arithmetic number, because the mean of its divisors is an integer number (1513722).

Almost surely, 2^13839648 is an apocalyptic number.

It is an amenable number.

13839648 is an abundant number, since it is smaller than the sum of its proper divisors (22489680).

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

13839648 is a wasteful number, since it uses less digits than its factorization.

13839648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144176 (or 144168 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 13839648 is about 3720.1677381538. The cubic root of 13839648 is about 240.0905214091.

The spelling of 13839648 in words is "thirteen million, eight hundred thirty-nine thousand, six hundred forty-eight".