12791611 has 8 divisors (see below), whose sum is σ = 15254784. Its totient is φ = 10487400.

The previous prime is 12791593. The next prime is 12791621. The reversal of 12791611 is 11619721.

12791611 is digitally balanced in base 3, 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 12791611 - 2⁷ = 12791483 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 12791611.

It is not an unprimeable number, because it can be changed into a prime (12791621) 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, 39565 + ... + 39886.

It is an arithmetic number, because the mean of its divisors is an integer number (1906848).

Almost surely, 2^12791611 is an apocalyptic number.

12791611 is a deficient number, since it is larger than the sum of its proper divisors (2463173).

12791611 is an equidigital number, since it uses as much as digits as its factorization.

12791611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79481.

The product of its digits is 756, while the sum is 28.

The square root of 12791611 is about 3576.5361734505. The cubic root of 12791611 is about 233.8703045871.

The spelling of 12791611 in words is "twelve million, seven hundred ninety-one thousand, six hundred eleven".