13030403 has 2 divisors, whose sum is σ = 13030404. Its totient is φ = 13030402.

The previous prime is 13030379. The next prime is 13030453. The reversal of 13030403 is 30403031.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13030403 - 2¹⁶ = 12964867 is a prime.

It is a plaindrome in base 12.

It is not a weakly prime, because it can be changed into another prime (13030453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6515201 + 6515202.

It is an arithmetic number, because the mean of its divisors is an integer number (6515202).

Almost surely, 2^13030403 is an apocalyptic number.

13030403 is a deficient number, since it is larger than the sum of its proper divisors (1).

13030403 is an equidigital number, since it uses as much as digits as its factorization.

13030403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 13030403 is about 3609.7649507967. The cubic root of 13030403 is about 235.3166276737.

Adding to 13030403 its reverse (30403031), we get a palindrome (43433434).

The spelling of 13030403 in words is "thirteen million, thirty thousand, four hundred three".