13242312 has 64 divisors (see below), whose sum is σ = 37209600. Its totient is φ = 4363200.

The previous prime is 13242293. The next prime is 13242329. The reversal of 13242312 is 21324231.

It is a Harshad number since it is a multiple of its sum of digits (18).

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

It is a plaindrome in base 15.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21513 + ... + 22119.

It is an arithmetic number, because the mean of its divisors is an integer number (581400).

Almost surely, 2^13242312 is an apocalyptic number.

13242312 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 13242312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18604800).

13242312 is an abundant number, since it is smaller than the sum of its proper divisors (23967288).

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

13242312 is a wasteful number, since it uses less digits than its factorization.

13242312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723 (or 713 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 13242312 is about 3638.9987633963. The cubic root of 13242312 is about 236.5853991510.

Adding to 13242312 its reverse (21324231), we get a palindrome (34566543).

It can be divided in two parts, 1324231 and 2, that multiplied together give a palindrome (2648462).

The spelling of 13242312 in words is "thirteen million, two hundred forty-two thousand, three hundred twelve".