13857032 has 32 divisors (see below), whose sum is σ = 30011520. Its totient is φ = 5875200.

The previous prime is 13857029. The next prime is 13857047. The reversal of 13857032 is 23075831.

It is a junction number, because it is equal to n+sod(n) for n = 13856986 and 13857004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4157 + ... + 6707.

It is an arithmetic number, because the mean of its divisors is an integer number (937860).

Almost surely, 2^13857032 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 13857032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15005760).

13857032 is an abundant number, since it is smaller than the sum of its proper divisors (16154488).

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

13857032 is a wasteful number, since it uses less digits than its factorization.

13857032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2661 (or 2657 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 13857032 is about 3722.5034586955. The cubic root of 13857032 is about 240.1910053544.

The spelling of 13857032 in words is "thirteen million, eight hundred fifty-seven thousand, thirty-two".