13242142 has 4 divisors (see below), whose sum is σ = 19863216. Its totient is φ = 6621070.

The previous prime is 13242121. The next prime is 13242157. The reversal of 13242142 is 24124231.

13242142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24124231 = 31 ⋅778201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3310534 + ... + 3310537.

It is an arithmetic number, because the mean of its divisors is an integer number (4965804).

Almost surely, 2^13242142 is an apocalyptic number.

13242142 is a deficient number, since it is larger than the sum of its proper divisors (6621074).

13242142 is an equidigital number, since it uses as much as digits as its factorization.

13242142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6621073.

The product of its digits is 384, while the sum is 19.

The square root of 13242142 is about 3638.9754052480. The cubic root of 13242142 is about 236.5843867474.

Adding to 13242142 its reverse (24124231), we get a palindrome (37366373).

The spelling of 13242142 in words is "thirteen million, two hundred forty-two thousand, one hundred forty-two".