12545842 has 16 divisors (see below), whose sum is σ = 19455552. Its totient is φ = 6064240.

The previous prime is 12545821. The next prime is 12545843. The reversal of 12545842 is 24854521.

It is not an unprimeable number, because it can be changed into a prime (12545843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6693 + ... + 8359.

It is an arithmetic number, because the mean of its divisors is an integer number (1215972).

Almost surely, 2^12545842 is an apocalyptic number.

12545842 is a deficient number, since it is larger than the sum of its proper divisors (6909710).

12545842 is a wasteful number, since it uses less digits than its factorization.

12545842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1793.

The product of its digits is 12800, while the sum is 31.

The square root of 12545842 is about 3542.0110107113. The cubic root of 12545842 is about 232.3628018549.

The spelling of 12545842 in words is "twelve million, five hundred forty-five thousand, eight hundred forty-two".