12899311 has 4 divisors (see below), whose sum is σ = 13658112. Its totient is φ = 12140512.

The previous prime is 12899303. The next prime is 12899323. The reversal of 12899311 is 11399821.

12899311 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11399821 = 1483 ⋅7687.

It is a cyclic number.

It is not a de Polignac number, because 12899311 - 2³ = 12899303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12899371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379375 + ... + 379408.

It is an arithmetic number, because the mean of its divisors is an integer number (3414528).

Almost surely, 2^12899311 is an apocalyptic number.

12899311 is a deficient number, since it is larger than the sum of its proper divisors (758801).

12899311 is an equidigital number, since it uses as much as digits as its factorization.

12899311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758800.

The product of its digits is 3888, while the sum is 34.

The square root of 12899311 is about 3591.5610812013. The cubic root of 12899311 is about 234.5248343485.

The spelling of 12899311 in words is "twelve million, eight hundred ninety-nine thousand, three hundred eleven".