12258142 has 8 divisors (see below), whose sum is σ = 19801656. Its totient is φ = 5657592.

The previous prime is 12258131. The next prime is 12258151. The reversal of 12258142 is 24185221.

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

It is a super-3 number, since 3×12258142³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235708 + ... + 235759.

It is an arithmetic number, because the mean of its divisors is an integer number (2475207).

Almost surely, 2^12258142 is an apocalyptic number.

12258142 is a deficient number, since it is larger than the sum of its proper divisors (7543514).

12258142 is a wasteful number, since it uses less digits than its factorization.

12258142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471482.

The product of its digits is 1280, while the sum is 25.

The square root of 12258142 is about 3501.1629496497. The cubic root of 12258142 is about 230.5728756352.

The spelling of 12258142 in words is "twelve million, two hundred fifty-eight thousand, one hundred forty-two".