13401503 has 2 divisors, whose sum is σ = 13401504. Its totient is φ = 13401502.

The previous prime is 13401497. The next prime is 13401523. The reversal of 13401503 is 30510431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13401503 - 2⁸ = 13401247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13401523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6700751 + 6700752.

It is an arithmetic number, because the mean of its divisors is an integer number (6700752).

Almost surely, 2^13401503 is an apocalyptic number.

13401503 is a deficient number, since it is larger than the sum of its proper divisors (1).

13401503 is an equidigital number, since it uses as much as digits as its factorization.

13401503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 13401503 is about 3660.8063319438. The cubic root of 13401503 is about 237.5296539150.

Adding to 13401503 its reverse (30510431), we get a palindrome (43911934).

The spelling of 13401503 in words is "thirteen million, four hundred one thousand, five hundred three".