13403063 has 4 divisors (see below), whose sum is σ = 13410840. Its totient is φ = 13395288.

The previous prime is 13403059. The next prime is 13403069. The reversal of 13403063 is 36030431.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13403063 - 2² = 13403059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13403069) 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 3 ways as a sum of consecutive naturals, for example, 20 + ... + 5177.

It is an arithmetic number, because the mean of its divisors is an integer number (3352710).

Almost surely, 2^13403063 is an apocalyptic number.

13403063 is a deficient number, since it is larger than the sum of its proper divisors (7777).

13403063 is an equidigital number, since it uses as much as digits as its factorization.

13403063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7776.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 13403063 is about 3661.0193935569. The cubic root of 13403063 is about 237.5388700923.

Adding to 13403063 its reverse (36030431), we get a palindrome (49433494).

The spelling of 13403063 in words is "thirteen million, four hundred three thousand, sixty-three".