13909003 has 8 divisors (see below), whose sum is σ = 14344848. Its totient is φ = 13476384.

The previous prime is 13908967. The next prime is 13909019. The reversal of 13909003 is 30090931.

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

It is a cyclic number.

It is not a de Polignac number, because 13909003 - 2¹³ = 13900811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13909033) 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, 10200 + ... + 11482.

It is an arithmetic number, because the mean of its divisors is an integer number (1793106).

Almost surely, 2^13909003 is an apocalyptic number.

13909003 is a deficient number, since it is larger than the sum of its proper divisors (435845).

13909003 is a wasteful number, since it uses less digits than its factorization.

13909003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613.

The product of its (nonzero) digits is 729, while the sum is 25.

The square root of 13909003 is about 3729.4775773558. The cubic root of 13909003 is about 240.4909106859.

Adding to 13909003 its reverse (30090931), we get a palindrome (43999934).

The spelling of 13909003 in words is "thirteen million, nine hundred nine thousand, three".