13689403 has 16 divisors (see below), whose sum is σ = 17841600. Its totient is φ = 10192896.

The previous prime is 13689397. The next prime is 13689433. The reversal of 13689403 is 30498631.

13689403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13689403 - 2¹³ = 13681211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13689433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2878 + ... + 5971.

It is an arithmetic number, because the mean of its divisors is an integer number (1115100).

Almost surely, 2^13689403 is an apocalyptic number.

13689403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13689403 is a deficient number, since it is larger than the sum of its proper divisors (4152197).

13689403 is a wasteful number, since it uses less digits than its factorization.

13689403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8886.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 13689403 is about 3699.9193234448. The cubic root of 13689403 is about 239.2185404416.

The spelling of 13689403 in words is "thirteen million, six hundred eighty-nine thousand, four hundred three".