13263712 has 72 divisors (see below), whose sum is σ = 33180840. Its totient is φ = 5160960.

The previous prime is 13263703. The next prime is 13263713. The reversal of 13263712 is 21736231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13263713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16864 + ... + 17632.

It is an arithmetic number, because the mean of its divisors is an integer number (460845).

Almost surely, 2^13263712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13263712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16590420).

13263712 is an abundant number, since it is smaller than the sum of its proper divisors (19917128).

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

13263712 is a wasteful number, since it uses less digits than its factorization.

13263712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804 (or 789 counting only the distinct ones).

The product of its digits is 1512, while the sum is 25.

The square root of 13263712 is about 3641.9379456548. The cubic root of 13263712 is about 236.7127737540.

Adding to 13263712 its reverse (21736231), we get a palindrome (34999943).

The spelling of 13263712 in words is "thirteen million, two hundred sixty-three thousand, seven hundred twelve".