13663932 has 48 divisors (see below), whose sum is σ = 34363392. Its totient is φ = 4213440.

The previous prime is 13663931. The next prime is 13663933. The reversal of 13663932 is 23936631.

It is an interprime number because it is at equal distance from previous prime (13663931) and next prime (13663933).

It is a junction number, because it is equal to n+sod(n) for n = 13663893 and 13663902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13663931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7758 + ... + 9354.

It is an arithmetic number, because the mean of its divisors is an integer number (715904).

Almost surely, 2^13663932 is an apocalyptic number.

13663932 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 13663932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17181696).

13663932 is an abundant number, since it is smaller than the sum of its proper divisors (20699460).

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

13663932 is a wasteful number, since it uses less digits than its factorization.

13663932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658 (or 1656 counting only the distinct ones).

The product of its digits is 17496, while the sum is 33.

The square root of 13663932 is about 3696.4756187482. The cubic root of 13663932 is about 239.0700820954.

The spelling of 13663932 in words is "thirteen million, six hundred sixty-three thousand, nine hundred thirty-two".