13617142 has 16 divisors (see below), whose sum is σ = 25466112. Its totient is φ = 5305320.

The previous prime is 13617139. The next prime is 13617157. The reversal of 13617142 is 24171631.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44058 + ... + 44365.

It is an arithmetic number, because the mean of its divisors is an integer number (1591632).

Almost surely, 2^13617142 is an apocalyptic number.

13617142 is a deficient number, since it is larger than the sum of its proper divisors (11848970).

13617142 is a wasteful number, since it uses less digits than its factorization.

13617142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88443.

The product of its digits is 1008, while the sum is 25.

The square root of 13617142 is about 3690.1411897108. The cubic root of 13617142 is about 238.7968839699.

Adding to 13617142 its reverse (24171631), we get a palindrome (37788773).

The spelling of 13617142 in words is "thirteen million, six hundred seventeen thousand, one hundred forty-two".