13604442 has 8 divisors (see below), whose sum is σ = 27208896. Its totient is φ = 4534812.

The previous prime is 13604441. The next prime is 13604449. The reversal of 13604442 is 24440631.

It is a sphenic number, since it is the product of 3 distinct primes.

13604442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (13604441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1133698 + ... + 1133709.

It is an arithmetic number, because the mean of its divisors is an integer number (3401112).

Almost surely, 2^13604442 is an apocalyptic number.

13604442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13604442 is a wasteful number, since it uses less digits than its factorization.

13604442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2267412.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 13604442 is about 3688.4199869321. The cubic root of 13604442 is about 238.7226230681.

The spelling of 13604442 in words is "thirteen million, six hundred four thousand, four hundred forty-two".