13404003 has 16 divisors (see below), whose sum is σ = 18923520. Its totient is φ = 8424864.

The previous prime is 13403989. The next prime is 13404011. The reversal of 13404003 is 30040431.

13404003 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 13404003 - 2⁹ = 13403491 is a prime.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (13404073) 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, 1950 + ... + 5532.

It is an arithmetic number, because the mean of its divisors is an integer number (1182720).

Almost surely, 2^13404003 is an apocalyptic number.

13404003 is a deficient number, since it is larger than the sum of its proper divisors (5519517).

13404003 is a wasteful number, since it uses less digits than its factorization.

13404003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3658.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 13404003 is about 3661.1477708500. The cubic root of 13404003 is about 237.5444230847.

Adding to 13404003 its reverse (30040431), we get a palindrome (43444434).

The spelling of 13404003 in words is "thirteen million, four hundred four thousand, three".