12545738 has 16 divisors (see below), whose sum is σ = 20346720. Its totient is φ = 5781456.

The previous prime is 12545717. The next prime is 12545747. The reversal of 12545738 is 83754521.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12545698 and 12545707.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3056 + ... + 5867.

It is an arithmetic number, because the mean of its divisors is an integer number (1271670).

Almost surely, 2^12545738 is an apocalyptic number.

12545738 is a deficient number, since it is larger than the sum of its proper divisors (7800982).

12545738 is a wasteful number, since it uses less digits than its factorization.

12545738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8981.

The product of its digits is 33600, while the sum is 35.

The square root of 12545738 is about 3541.9963297553. The cubic root of 12545738 is about 232.3621597883.

The spelling of 12545738 in words is "twelve million, five hundred forty-five thousand, seven hundred thirty-eight".