13898752 has 66 divisors (see below), whose sum is σ = 32436762. Its totient is φ = 5935104.

The previous prime is 13898719. The next prime is 13898771. The reversal of 13898752 is 25789831.

It can be written as a sum of positive squares in only one way, i.e., 9834496 + 4064256 = 3136^2 + 2016^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13898699 and 13898708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50038 + ... + 50314.

Almost surely, 2^13898752 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 13898752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16218381).

13898752 is an abundant number, since it is smaller than the sum of its proper divisors (18538010).

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

13898752 is an equidigital number, since it uses as much as digits as its factorization.

13898752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 286 counting only the distinct ones).

The product of its digits is 120960, while the sum is 43.

The square root of 13898752 is about 3728.1030028689. The cubic root of 13898752 is about 240.4318151918.

The spelling of 13898752 in words is "thirteen million, eight hundred ninety-eight thousand, seven hundred fifty-two".