13897344 has 32 divisors (see below), whose sum is σ = 36915840. Its totient is φ = 4632320.

The previous prime is 13897343. The next prime is 13897349. The reversal of 13897344 is 44379831.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13897343) 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, 17712 + ... + 18479.

It is an arithmetic number, because the mean of its divisors is an integer number (1153620).

Almost surely, 2^13897344 is an apocalyptic number.

It is an amenable number.

13897344 is an abundant number, since it is smaller than the sum of its proper divisors (23018496).

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

13897344 is an equidigital number, since it uses as much as digits as its factorization.

13897344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36208 (or 36196 counting only the distinct ones).

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

The square root of 13897344 is about 3727.9141621019. The cubic root of 13897344 is about 240.4236960113.

It can be divided in two parts, 13897 and 344, that added together give a palindrome (14241).

The spelling of 13897344 in words is "thirteen million, eight hundred ninety-seven thousand, three hundred forty-four".