12273542 has 16 divisors (see below), whose sum is σ = 18833472. Its totient is φ = 5997480.

The previous prime is 12273539. The next prime is 12273571. The reversal of 12273542 is 24537221.

It is a congruent number.

It is an unprimeable number.

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, 17417 + ... + 18107.

It is an arithmetic number, because the mean of its divisors is an integer number (1177092).

Almost surely, 2^12273542 is an apocalyptic number.

12273542 is a deficient number, since it is larger than the sum of its proper divisors (6559930).

12273542 is a wasteful number, since it uses less digits than its factorization.

12273542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883.

The product of its digits is 3360, while the sum is 26.

The square root of 12273542 is about 3503.3615285894. The cubic root of 12273542 is about 230.6693920661.

The spelling of 12273542 in words is "twelve million, two hundred seventy-three thousand, five hundred forty-two".