17912142 has 12 divisors (see below), whose sum is σ = 38809680. Its totient is φ = 5970708.

The previous prime is 17912119. The next prime is 17912149. The reversal of 17912142 is 24121971.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17912149) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 497542 + ... + 497577.

It is an arithmetic number, because the mean of its divisors is an integer number (3234140).

Almost surely, 2^17912142 is an apocalyptic number.

17912142 is an abundant number, since it is smaller than the sum of its proper divisors (20897538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

17912142 is a wasteful number, since it uses less digits than its factorization.

17912142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995127 (or 995124 counting only the distinct ones).

The product of its digits is 1008, while the sum is 27.

The square root of 17912142 is about 4232.2738569237. The cubic root of 17912142 is about 261.6470491647.

It can be divided in two parts, 179 and 12142, that added together give a palindrome (12321).

The spelling of 17912142 in words is "seventeen million, nine hundred twelve thousand, one hundred forty-two".