13263732 has 72 divisors (see below), whose sum is σ = 35590464. Its totient is φ = 4156416.

The previous prime is 13263713. The next prime is 13263739. The reversal of 13263732 is 23736231.

13263732 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13263696 and 13263705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13263739) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68628 + ... + 68820.

It is an arithmetic number, because the mean of its divisors is an integer number (494312).

Almost surely, 2^13263732 is an apocalyptic number.

13263732 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 13263732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17795232).

13263732 is an abundant number, since it is smaller than the sum of its proper divisors (22326732).

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

13263732 is a wasteful number, since it uses less digits than its factorization.

13263732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 304 counting only the distinct ones).

The product of its digits is 4536, while the sum is 27.

The square root of 13263732 is about 3641.9406914446. The cubic root of 13263732 is about 236.7128927316.

Adding to 13263732 its reverse (23736231), we get a palindrome (36999963).

The spelling of 13263732 in words is "thirteen million, two hundred sixty-three thousand, seven hundred thirty-two".