13522142 has 8 divisors (see below), whose sum is σ = 20368800. Its totient is φ = 6732544.

The previous prime is 13522133. The next prime is 13522147. The reversal of 13522142 is 24122531.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13522147) 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, 13667 + ... + 14622.

It is an arithmetic number, because the mean of its divisors is an integer number (2546100).

Almost surely, 2^13522142 is an apocalyptic number.

13522142 is a deficient number, since it is larger than the sum of its proper divisors (6846658).

13522142 is a wasteful number, since it uses less digits than its factorization.

13522142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28530.

The product of its digits is 480, while the sum is 20.

The square root of 13522142 is about 3677.2465242352. The cubic root of 13522142 is about 238.2402653340.

Adding to 13522142 its reverse (24122531), we get a palindrome (37644673).

The spelling of 13522142 in words is "thirteen million, five hundred twenty-two thousand, one hundred forty-two".