13851904 has 36 divisors (see below), whose sum is σ = 30169440. Its totient is φ = 6295040.

The previous prime is 13851883. The next prime is 13851967. The reversal of 13851904 is 40915831.

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, 357 + ... + 5275.

It is an arithmetic number, because the mean of its divisors is an integer number (838040).

Almost surely, 2^13851904 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 13851904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15084720).

13851904 is an abundant number, since it is smaller than the sum of its proper divisors (16317536).

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

13851904 is an equidigital number, since it uses as much as digits as its factorization.

13851904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4946 (or 4932 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 13851904 is about 3721.8146111809. The cubic root of 13851904 is about 240.1613729520.

The spelling of 13851904 in words is "thirteen million, eight hundred fifty-one thousand, nine hundred four".