13442312 has 32 divisors (see below), whose sum is σ = 28085400. Its totient is φ = 5988864.

The previous prime is 13442309. The next prime is 13442323. The reversal of 13442312 is 21324431.

It can be written as a sum of positive squares in 4 ways, for example, as 10666756 + 2775556 = 3266^2 + 1666^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 788 + ... + 5244.

Almost surely, 2^13442312 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 13442312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14042700).

13442312 is an abundant number, since it is smaller than the sum of its proper divisors (14643088).

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

13442312 is a wasteful number, since it uses less digits than its factorization.

13442312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4505 (or 4501 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 13442312 is about 3666.3758672564. The cubic root of 13442312 is about 237.7705106102.

Adding to 13442312 its reverse (21324431), we get a palindrome (34766743).

The spelling of 13442312 in words is "thirteen million, four hundred forty-two thousand, three hundred twelve".