13797984 has 24 divisors (see below), whose sum is σ = 36219960. Its totient is φ = 4599296.

The previous prime is 13797977. The next prime is 13797989. The reversal of 13797984 is 48979731.

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

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13797989) 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, 71769 + ... + 71960.

It is an arithmetic number, because the mean of its divisors is an integer number (1509165).

Almost surely, 2^13797984 is an apocalyptic number.

It is an amenable number.

13797984 is an abundant number, since it is smaller than the sum of its proper divisors (22421976).

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

13797984 is a wasteful number, since it uses less digits than its factorization.

13797984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143742 (or 143734 counting only the distinct ones).

The product of its digits is 381024, while the sum is 48.

The square root of 13797984 is about 3714.5637698120. The cubic root of 13797984 is about 239.8493498998.

The spelling of 13797984 in words is "thirteen million, seven hundred ninety-seven thousand, nine hundred eighty-four".