12873545 has 8 divisors (see below), whose sum is σ = 16261440. Its totient is φ = 9756720.

The previous prime is 12873527. The next prime is 12873547. The reversal of 12873545 is 54537821.

It is a happy number.

12873545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12873545 - 2⁶ = 12873481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12873547) 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, 67661 + ... + 67850.

It is an arithmetic number, because the mean of its divisors is an integer number (2032680).

Almost surely, 2^12873545 is an apocalyptic number.

It is an amenable number.

12873545 is a deficient number, since it is larger than the sum of its proper divisors (3387895).

12873545 is a wasteful number, since it uses less digits than its factorization.

12873545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135535.

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

The square root of 12873545 is about 3587.9722685662. The cubic root of 12873545 is about 234.3685780759.

The spelling of 12873545 in words is "twelve million, eight hundred seventy-three thousand, five hundred forty-five".