13230999 has 16 divisors (see below), whose sum is σ = 19852800. Its totient is φ = 8707608.

The previous prime is 13230991. The next prime is 13231019. The reversal of 13230999 is 99903231.

It is not a de Polignac number, because 13230999 - 2³ = 13230991 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13230991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 969 + ... + 5234.

It is an arithmetic number, because the mean of its divisors is an integer number (1240800).

Almost surely, 2^13230999 is an apocalyptic number.

13230999 is a deficient number, since it is larger than the sum of its proper divisors (6621801).

13230999 is an equidigital number, since it uses as much as digits as its factorization.

13230999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6291 (or 6285 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 36.

The square root of 13230999 is about 3637.4440201878. Note that the first 3 decimals coincide. The cubic root of 13230999 is about 236.5180077678.

The spelling of 13230999 in words is "thirteen million, two hundred thirty thousand, nine hundred ninety-nine".