12175142 has 16 divisors (see below), whose sum is σ = 21779712. Its totient is φ = 4990920.

The previous prime is 12175139. The next prime is 12175147. The reversal of 12175142 is 24157121.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12175147) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 18584 + ... + 19227.

It is an arithmetic number, because the mean of its divisors is an integer number (1361232).

Almost surely, 2^12175142 is an apocalyptic number.

12175142 is a deficient number, since it is larger than the sum of its proper divisors (9604570).

12175142 is a wasteful number, since it uses less digits than its factorization.

12175142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37843.

The product of its digits is 560, while the sum is 23.

The square root of 12175142 is about 3489.2896125143. The cubic root of 12175142 is about 230.0512929080.

The spelling of 12175142 in words is "twelve million, one hundred seventy-five thousand, one hundred forty-two".