13919488 has 36 divisors (see below), whose sum is σ = 30316608. Its totient is φ = 6325760.

The previous prime is 13919471. The next prime is 13919491. The reversal of 13919488 is 88491931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345 + ... + 5287.

It is an arithmetic number, because the mean of its divisors is an integer number (842128).

Almost surely, 2^13919488 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 13919488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15158304).

13919488 is an abundant number, since it is smaller than the sum of its proper divisors (16397120).

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

13919488 is an equidigital number, since it uses as much as digits as its factorization.

13919488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4970 (or 4956 counting only the distinct ones).

The product of its digits is 62208, while the sum is 43.

The square root of 13919488 is about 3730.8830054023. The cubic root of 13919488 is about 240.5513251253.

The spelling of 13919488 in words is "thirteen million, nine hundred nineteen thousand, four hundred eighty-eight".