13240999 has 8 divisors (see below), whose sum is σ = 13806720. Its totient is φ = 12684000.

The previous prime is 13240973. The next prime is 13241017. The reversal of 13240999 is 99904231.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13240999 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 (13240949) 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, 1017 + ... + 5245.

It is an arithmetic number, because the mean of its divisors is an integer number (1725840).

Almost surely, 2^13240999 is an apocalyptic number.

13240999 is a deficient number, since it is larger than the sum of its proper divisors (565721).

13240999 is a wasteful number, since it uses less digits than its factorization.

13240999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4361.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 13240999 is about 3638.8183521577. The cubic root of 13240999 is about 236.5775795976.

The spelling of 13240999 in words is "thirteen million, two hundred forty thousand, nine hundred ninety-nine".