13928603 has 8 divisors (see below), whose sum is σ = 15349488. Its totient is φ = 12557664.

The previous prime is 13928597. The next prime is 13928611. The reversal of 13928603 is 30682931.

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 13928603 - 2¹² = 13924507 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13928603.

It is not an unprimeable number, because it can be changed into a prime (13928623) 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, 11900 + ... + 13017.

It is an arithmetic number, because the mean of its divisors is an integer number (1918686).

Almost surely, 2^13928603 is an apocalyptic number.

13928603 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13928603 is a deficient number, since it is larger than the sum of its proper divisors (1420885).

13928603 is a wasteful number, since it uses less digits than its factorization.

13928603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24973.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 13928603 is about 3732.1043661720. The cubic root of 13928603 is about 240.6038209953.

The spelling of 13928603 in words is "thirteen million, nine hundred twenty-eight thousand, six hundred three".