13506142 has 24 divisors (see below), whose sum is σ = 22662720. Its totient is φ = 6027840.

The previous prime is 13506139. The next prime is 13506151. The reversal of 13506142 is 24160531.

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 11 ways as a sum of consecutive naturals, for example, 9834 + ... + 11122.

It is an arithmetic number, because the mean of its divisors is an integer number (944280).

Almost surely, 2^13506142 is an apocalyptic number.

13506142 is a deficient number, since it is larger than the sum of its proper divisors (9156578).

13506142 is a wasteful number, since it uses less digits than its factorization.

13506142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348 (or 1335 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 13506142 is about 3675.0703394629. The cubic root of 13506142 is about 238.1462627546.

Adding to 13506142 its reverse (24160531), we get a palindrome (37666673).

The spelling of 13506142 in words is "thirteen million, five hundred six thousand, one hundred forty-two".