13404603 has 8 divisors (see below), whose sum is σ = 17890128. Its totient is φ = 8927744.

The previous prime is 13404569. The next prime is 13404613. The reversal of 13404603 is 30640431.

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 13404603 - 2⁹ = 13404091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13404603.

It is not an unprimeable number, because it can be changed into a prime (13404613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3775 + ... + 6407.

It is an arithmetic number, because the mean of its divisors is an integer number (2236266).

Almost surely, 2^13404603 is an apocalyptic number.

13404603 is a deficient number, since it is larger than the sum of its proper divisors (4485525).

13404603 is a wasteful number, since it uses less digits than its factorization.

13404603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4333.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 13404603 is about 3661.2297114494. The cubic root of 13404603 is about 237.5479674121.

The spelling of 13404603 in words is "thirteen million, four hundred four thousand, six hundred three".