13442328 has 32 divisors (see below), whose sum is σ = 37340400. Its totient is φ = 4480704.

The previous prime is 13442323. The next prime is 13442339. The reversal of 13442328 is 82324431.

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 (13442323) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 30901 + ... + 31332.

Almost surely, 2^13442328 is an apocalyptic number.

13442328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13442328 is an abundant number, since it is smaller than the sum of its proper divisors (23898072).

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

13442328 is a wasteful number, since it uses less digits than its factorization.

13442328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62248 (or 62238 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 13442328 is about 3666.3780492470. The cubic root of 13442328 is about 237.7706049473.

Adding to 13442328 its reverse (82324431), we get a palindrome (95766759).

The spelling of 13442328 in words is "thirteen million, four hundred forty-two thousand, three hundred twenty-eight".