13869126 has 48 divisors (see below), whose sum is σ = 32011200. Its totient is φ = 4327344.

The previous prime is 13869103. The next prime is 13869131. The reversal of 13869126 is 62196831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36405 + ... + 36783.

It is an arithmetic number, because the mean of its divisors is an integer number (666900).

Almost surely, 2^13869126 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13869126, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16005600).

13869126 is an abundant number, since it is smaller than the sum of its proper divisors (18142074).

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

13869126 is a wasteful number, since it uses less digits than its factorization.

13869126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513 (or 510 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 13869126 is about 3724.1275488361. The cubic root of 13869126 is about 240.2608621928.

The spelling of 13869126 in words is "thirteen million, eight hundred sixty-nine thousand, one hundred twenty-six".