13123299 has 16 divisors (see below), whose sum is σ = 20463872. Its totient is φ = 7324128.

The previous prime is 13123289. The next prime is 13123301. The reversal of 13123299 is 99232131.

It is a happy number.

It is not a de Polignac number, because 13123299 - 2¹⁵ = 13090531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13123219) 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 15 ways as a sum of consecutive naturals, for example, 6364 + ... + 8169.

It is an arithmetic number, because the mean of its divisors is an integer number (1278992).

Almost surely, 2^13123299 is an apocalyptic number.

13123299 is a deficient number, since it is larger than the sum of its proper divisors (7340573).

13123299 is a wasteful number, since it uses less digits than its factorization.

13123299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14586.

The product of its digits is 2916, while the sum is 30.

The square root of 13123299 is about 3622.6094186373. The cubic root of 13123299 is about 235.8745083566.

The spelling of 13123299 in words is "thirteen million, one hundred twenty-three thousand, two hundred ninety-nine".