13868403 has 8 divisors (see below), whose sum is σ = 18921408. Its totient is φ = 9030504.

The previous prime is 13868389. The next prime is 13868417. The reversal of 13868403 is 30486831.

It is an interprime number because it is at equal distance from previous prime (13868389) and next prime (13868417).

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

It is not a de Polignac number, because 13868403 - 2⁶ = 13868339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13868443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53625 + ... + 53882.

It is an arithmetic number, because the mean of its divisors is an integer number (2365176).

Almost surely, 2^13868403 is an apocalyptic number.

13868403 is a deficient number, since it is larger than the sum of its proper divisors (5053005).

13868403 is a wasteful number, since it uses less digits than its factorization.

13868403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107553.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 13868403 is about 3724.0304778559. The cubic root of 13868403 is about 240.2566871731.

The spelling of 13868403 in words is "thirteen million, eight hundred sixty-eight thousand, four hundred three".