12791545 has 16 divisors (see below), whose sum is σ = 16736832. Its totient is φ = 9328320.

The previous prime is 12791543. The next prime is 12791563. The reversal of 12791545 is 54519721.

It is not a de Polignac number, because 12791545 - 2¹ = 12791543 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12791545.

It is not an unprimeable number, because it can be changed into a prime (12791543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4210 + ... + 6580.

It is an arithmetic number, because the mean of its divisors is an integer number (1046052).

Almost surely, 2^12791545 is an apocalyptic number.

It is an amenable number.

12791545 is a deficient number, since it is larger than the sum of its proper divisors (3945287).

12791545 is a wasteful number, since it uses less digits than its factorization.

12791545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2472.

The product of its digits is 12600, while the sum is 34.

The square root of 12791545 is about 3576.5269466341. The cubic root of 12791545 is about 233.8699023582.

The spelling of 12791545 in words is "twelve million, seven hundred ninety-one thousand, five hundred forty-five".