13622303 has 2 divisors, whose sum is σ = 13622304. Its totient is φ = 13622302.

The previous prime is 13622293. The next prime is 13622309. The reversal of 13622303 is 30322631.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13622303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13622309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6811151 + 6811152.

It is an arithmetic number, because the mean of its divisors is an integer number (6811152).

Almost surely, 2^13622303 is an apocalyptic number.

13622303 is a deficient number, since it is larger than the sum of its proper divisors (1).

13622303 is an equidigital number, since it uses as much as digits as its factorization.

13622303 is an evil number, because the sum of its binary digits is even.

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

The square root of 13622303 is about 3690.8404191999. The cubic root of 13622303 is about 238.8270487689.

Adding to 13622303 its reverse (30322631), we get a palindrome (43944934).

The spelling of 13622303 in words is "thirteen million, six hundred twenty-two thousand, three hundred three".