13312303 has 2 divisors, whose sum is σ = 13312304. Its totient is φ = 13312302.

The previous prime is 13312283. The next prime is 13312307. The reversal of 13312303 is 30321331.

13312303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13312303 - 2¹³ = 13304111 is a prime.

It is a super-2 number, since 2×13312303² = 354434822327618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13312307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6656151 + 6656152.

It is an arithmetic number, because the mean of its divisors is an integer number (6656152).

Almost surely, 2^13312303 is an apocalyptic number.

13312303 is a deficient number, since it is larger than the sum of its proper divisors (1).

13312303 is an equidigital number, since it uses as much as digits as its factorization.

13312303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 13312303 is about 3648.6028832966. The cubic root of 13312303 is about 237.0014836086.

Adding to 13312303 its reverse (30321331), we get a palindrome (43633634).

Subtracting 13312303 from its reverse (30321331), we obtain a triangular number (17009028 = T₅₈₃₂).

The spelling of 13312303 in words is "thirteen million, three hundred twelve thousand, three hundred three".