13876434 has 80 divisors (see below), whose sum is σ = 36590400. Its totient is φ = 3875040.

The previous prime is 13876433. The next prime is 13876451. The reversal of 13876434 is 43467831.

13876434 is a `hidden beast` number, since 1 + 3 + 8 + 7 + 643 + 4 = 666.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (13876433) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 22867 + ... + 23465.

It is an arithmetic number, because the mean of its divisors is an integer number (457380).

Almost surely, 2^13876434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13876434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18295200).

13876434 is an abundant number, since it is smaller than the sum of its proper divisors (22713966).

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

13876434 is a wasteful number, since it uses less digits than its factorization.

13876434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637 (or 628 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 13876434 is about 3725.1085890213. The cubic root of 13876434 is about 240.3030546634.

The spelling of 13876434 in words is "thirteen million, eight hundred seventy-six thousand, four hundred thirty-four".