13909067 has 4 divisors (see below), whose sum is σ = 14388720. Its totient is φ = 13429416.

The previous prime is 13909061. The next prime is 13909079. The reversal of 13909067 is 76090931.

13909067 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13909067 - 2¹⁰ = 13908043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13909061) 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, 239783 + ... + 239840.

It is an arithmetic number, because the mean of its divisors is an integer number (3597180).

Almost surely, 2^13909067 is an apocalyptic number.

13909067 is a deficient number, since it is larger than the sum of its proper divisors (479653).

13909067 is an equidigital number, since it uses as much as digits as its factorization.

13909067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479652.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 13909067 is about 3729.4861576362. The cubic root of 13909067 is about 240.4912795451.

Adding to 13909067 its reverse (76090931), we get a palindrome (89999998).

The spelling of 13909067 in words is "thirteen million, nine hundred nine thousand, sixty-seven".