12504545 has 16 divisors (see below), whose sum is σ = 15389760. Its totient is φ = 9751104.

The previous prime is 12504533. The next prime is 12504551. The reversal of 12504545 is 54540521.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12504545 is a prime.

12504545 is a modest number, since divided by 4545 gives 1250 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54491 + ... + 54719.

It is an arithmetic number, because the mean of its divisors is an integer number (961860).

Almost surely, 2^12504545 is an apocalyptic number.

It is an amenable number.

12504545 is a deficient number, since it is larger than the sum of its proper divisors (2885215).

12504545 is a wasteful number, since it uses less digits than its factorization.

12504545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 12504545 is about 3536.1766075806. The cubic root of 12504545 is about 232.1075663005.

The spelling of 12504545 in words is "twelve million, five hundred four thousand, five hundred forty-five".