13442385 has 32 divisors (see below), whose sum is σ = 23628672. Its totient is φ = 6471680.

The previous prime is 13442381. The next prime is 13442417. The reversal of 13442385 is 58324431.

13442385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13442385 - 2² = 13442381 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13442381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42247 + ... + 42563.

It is an arithmetic number, because the mean of its divisors is an integer number (738396).

Almost surely, 2^13442385 is an apocalyptic number.

13442385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13442385 is a deficient number, since it is larger than the sum of its proper divisors (10186287).

13442385 is a wasteful number, since it uses less digits than its factorization.

13442385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593.

The product of its digits is 11520, while the sum is 30.

The square root of 13442385 is about 3666.3858225779. The cubic root of 13442385 is about 237.7709410226.

The spelling of 13442385 in words is "thirteen million, four hundred forty-two thousand, three hundred eighty-five".