12798611 has 4 divisors (see below), whose sum is σ = 14626992. Its totient is φ = 10970232.

The previous prime is 12798607. The next prime is 12798613. The reversal of 12798611 is 11689721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11689721 = 761 ⋅15361.

It is not a de Polignac number, because 12798611 - 2² = 12798607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12798613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 914180 + ... + 914193.

It is an arithmetic number, because the mean of its divisors is an integer number (3656748).

Almost surely, 2^12798611 is an apocalyptic number.

12798611 is a deficient number, since it is larger than the sum of its proper divisors (1828381).

12798611 is an equidigital number, since it uses as much as digits as its factorization.

12798611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828380.

The product of its digits is 6048, while the sum is 35.

The square root of 12798611 is about 3577.5146400819. The cubic root of 12798611 is about 233.9129573746.

The spelling of 12798611 in words is "twelve million, seven hundred ninety-eight thousand, six hundred eleven".