13233503 has 2 divisors, whose sum is σ = 13233504. Its totient is φ = 13233502.

The previous prime is 13233449. The next prime is 13233509. The reversal of 13233503 is 30533231.

It is a strong prime.

It is an emirp because it is prime and its reverse (30533231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13233503 - 2¹⁸ = 12971359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13233509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6616751 + 6616752.

It is an arithmetic number, because the mean of its divisors is an integer number (6616752).

Almost surely, 2^13233503 is an apocalyptic number.

13233503 is a deficient number, since it is larger than the sum of its proper divisors (1).

13233503 is an equidigital number, since it uses as much as digits as its factorization.

13233503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 20.

The square root of 13233503 is about 3637.7882016412. The cubic root of 13233503 is about 236.5329273703.

Adding to 13233503 its reverse (30533231), we get a palindrome (43766734).

The spelling of 13233503 in words is "thirteen million, two hundred thirty-three thousand, five hundred three".