13868532 has 108 divisors (see below), whose sum is σ = 39335296. Its totient is φ = 4112640.

The previous prime is 13868521. The next prime is 13868539. The reversal of 13868532 is 23586831.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (34560) is a multiple of the sum of its prime divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13868539) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 322503 + ... + 322545.

Almost surely, 2^13868532 is an apocalyptic number.

13868532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13868532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19667648).

13868532 is an abundant number, since it is smaller than the sum of its proper divisors (25466764).

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

13868532 is a wasteful number, since it uses less digits than its factorization.

13868532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 96 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 13868532 is about 3724.0477977599. The cubic root of 13868532 is about 240.2574321042.

It can be divided in two parts, 13868 and 532, that added together give a square (14400 = 120²).

The spelling of 13868532 in words is "thirteen million, eight hundred sixty-eight thousand, five hundred thirty-two".