12313142 has 8 divisors (see below), whose sum is σ = 19272816. Its totient is φ = 5888872.

The previous prime is 12313141. The next prime is 12313157. The reversal of 12313142 is 24131321.

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

It is a super-2 number, since 2×12313142² = 303226931824328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12313142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12313141) 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, 133793 + ... + 133884.

It is an arithmetic number, because the mean of its divisors is an integer number (2409102).

Almost surely, 2^12313142 is an apocalyptic number.

12313142 is a deficient number, since it is larger than the sum of its proper divisors (6959674).

12313142 is a wasteful number, since it uses less digits than its factorization.

12313142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267702.

The product of its digits is 144, while the sum is 17.

The square root of 12313142 is about 3509.0086919243. The cubic root of 12313142 is about 230.9172070131.

Adding to 12313142 its reverse (24131321), we get a palindrome (36444463).

The spelling of 12313142 in words is "twelve million, three hundred thirteen thousand, one hundred forty-two".