13663142 has 8 divisors (see below), whose sum is σ = 20549376. Its totient is φ = 6813352.

The previous prime is 13663123. The next prime is 13663159. The reversal of 13663142 is 24136631.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8153 + ... + 9684.

It is an arithmetic number, because the mean of its divisors is an integer number (2568672).

Almost surely, 2^13663142 is an apocalyptic number.

13663142 is a deficient number, since it is larger than the sum of its proper divisors (6886234).

13663142 is a wasteful number, since it uses less digits than its factorization.

13663142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18222.

The product of its digits is 2592, while the sum is 26.

The square root of 13663142 is about 3696.3687586603. The cubic root of 13663142 is about 239.0654746123.

Adding to 13663142 its reverse (24136631), we get a palindrome (37799773).

The spelling of 13663142 in words is "thirteen million, six hundred sixty-three thousand, one hundred forty-two".