13269312 has 112 divisors (see below), whose sum is σ = 44622720. Its totient is φ = 3787776.

The previous prime is 13269301. The next prime is 13269317. The reversal of 13269312 is 21396231.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13269317) 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, 11548 + ... + 12644.

Almost surely, 2^13269312 is an apocalyptic number.

13269312 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 13269312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22311360).

13269312 is an abundant number, since it is smaller than the sum of its proper divisors (31353408).

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

13269312 is a wasteful number, since it uses less digits than its factorization.

13269312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125 (or 1109 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 13269312 is about 3642.7066859686. The cubic root of 13269312 is about 236.7460828060.

The spelling of 13269312 in words is "thirteen million, two hundred sixty-nine thousand, three hundred twelve".