13000999 has 8 divisors (see below), whose sum is σ = 14485248. Its totient is φ = 11567160.

The previous prime is 13000993. The next prime is 13001029. The reversal of 13000999 is 99900031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13000999 - 2¹³ = 12992807 is a prime.

It is a Duffinian number.

13000999 is a modest number, since divided by 999 gives 13 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 13000999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13000993) 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 7 ways as a sum of consecutive naturals, for example, 12057 + ... + 13090.

It is an arithmetic number, because the mean of its divisors is an integer number (1810656).

Almost surely, 2^13000999 is an apocalyptic number.

13000999 is a deficient number, since it is larger than the sum of its proper divisors (1484249).

13000999 is a wasteful number, since it uses less digits than its factorization.

13000999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25205.

The product of its (nonzero) digits is 2187, while the sum is 31.

The square root of 13000999 is about 3605.6898091766. The cubic root of 13000999 is about 235.1394916520.

The spelling of 13000999 in words is "thirteen million, nine hundred ninety-nine", and thus it is an aban number.