12999259 has 12 divisors (see below), whose sum is σ = 16285584. Its totient is φ = 10284624.

The previous prime is 12999253. The next prime is 12999263. The reversal of 12999259 is 95299921.

12999259 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12999259 - 2⁷ = 12999131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12999253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9567 + ... + 10840.

It is an arithmetic number, because the mean of its divisors is an integer number (1357132).

Almost surely, 2^12999259 is an apocalyptic number.

12999259 is a deficient number, since it is larger than the sum of its proper divisors (3286325).

12999259 is a wasteful number, since it uses less digits than its factorization.

12999259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20434 (or 20427 counting only the distinct ones).

The product of its digits is 131220, while the sum is 46.

The square root of 12999259 is about 3605.4485157883. The cubic root of 12999259 is about 235.1290011513.

The spelling of 12999259 in words is "twelve million, nine hundred ninety-nine thousand, two hundred fifty-nine".