12265142 has 4 divisors (see below), whose sum is σ = 18397716. Its totient is φ = 6132570.

The previous prime is 12265129. The next prime is 12265147. The reversal of 12265142 is 24156221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12265147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3066284 + ... + 3066287.

It is an arithmetic number, because the mean of its divisors is an integer number (4599429).

Almost surely, 2^12265142 is an apocalyptic number.

12265142 is a deficient number, since it is larger than the sum of its proper divisors (6132574).

12265142 is an equidigital number, since it uses as much as digits as its factorization.

12265142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6132573.

The product of its digits is 960, while the sum is 23.

The square root of 12265142 is about 3502.1624748147. The cubic root of 12265142 is about 230.6167567552.

The spelling of 12265142 in words is "twelve million, two hundred sixty-five thousand, one hundred forty-two".