13604142 has 16 divisors (see below), whose sum is σ = 27246672. Its totient is φ = 4528320.

The previous prime is 13604117. The next prime is 13604167. The reversal of 13604142 is 24140631.

It is an interprime number because it is at equal distance from previous prime (13604117) and next prime (13604167).

It is a congruent number.

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, 5298 + ... + 7434.

It is an arithmetic number, because the mean of its divisors is an integer number (1702917).

Almost surely, 2^13604142 is an apocalyptic number.

13604142 is an abundant number, since it is smaller than the sum of its proper divisors (13642530).

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

13604142 is a wasteful number, since it uses less digits than its factorization.

13604142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3203.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 13604142 is about 3688.3793188879. The cubic root of 13604142 is about 238.7208683149.

Adding to 13604142 its reverse (24140631), we get a palindrome (37744773).

The spelling of 13604142 in words is "thirteen million, six hundred four thousand, one hundred forty-two".