13227732 has 48 divisors (see below), whose sum is σ = 39195520. Its totient is φ = 3779136.

The previous prime is 13227719. The next prime is 13227749. The reversal of 13227732 is 23772231.

It is a happy number.

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 junction number, because it is equal to n+sod(n) for n = 13227696 and 13227705.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7993 + ... + 9504.

Almost surely, 2^13227732 is an apocalyptic number.

13227732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13227732 is an abundant number, since it is smaller than the sum of its proper divisors (25967788).

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

13227732 is a wasteful number, since it uses less digits than its factorization.

13227732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17517 (or 17509 counting only the distinct ones).

The product of its digits is 3528, while the sum is 27.

The square root of 13227732 is about 3636.9949133866. The cubic root of 13227732 is about 236.4985391462.

Adding to 13227732 its reverse (23772231), we get a palindrome (36999963).

The spelling of 13227732 in words is "thirteen million, two hundred twenty-seven thousand, seven hundred thirty-two".