13303403 has 2 divisors, whose sum is σ = 13303404. Its totient is φ = 13303402.

The previous prime is 13303399. The next prime is 13303471. The reversal of 13303403 is 30430331.

It is a weak prime.

It is an emirp because it is prime and its reverse (30430331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13303403 - 2² = 13303399 is a prime.

It is a plaindrome in base 12.

It is not a weakly prime, because it can be changed into another prime (13323403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6651701 + 6651702.

It is an arithmetic number, because the mean of its divisors is an integer number (6651702).

Almost surely, 2^13303403 is an apocalyptic number.

13303403 is a deficient number, since it is larger than the sum of its proper divisors (1).

13303403 is an equidigital number, since it uses as much as digits as its factorization.

13303403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 13303403 is about 3647.3830344509. The cubic root of 13303403 is about 236.9486556984.

Adding to 13303403 its reverse (30430331), we get a palindrome (43733734).

The spelling of 13303403 in words is "thirteen million, three hundred three thousand, four hundred three".