13040699 has 4 divisors (see below), whose sum is σ = 14903664. Its totient is φ = 11177736.

The previous prime is 13040693. The next prime is 13040743. The reversal of 13040699 is 99604031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13040699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13040693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 931472 + ... + 931485.

It is an arithmetic number, because the mean of its divisors is an integer number (3725916).

Almost surely, 2^13040699 is an apocalyptic number.

13040699 is a deficient number, since it is larger than the sum of its proper divisors (1862965).

13040699 is an equidigital number, since it uses as much as digits as its factorization.

13040699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1862964.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 13040699 is about 3611.1908008301. The cubic root of 13040699 is about 235.3785899974.

The spelling of 13040699 in words is "thirteen million, forty thousand, six hundred ninety-nine".