13263331 has 2 divisors, whose sum is σ = 13263332. Its totient is φ = 13263330.

The previous prime is 13263251. The next prime is 13263337. The reversal of 13263331 is 13336231.

13263331 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 13263331 - 2¹⁵ = 13230563 is a prime.

It is a super-2 number, since 2×13263331² = 351831898431122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13263337) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6631665 + 6631666.

It is an arithmetic number, because the mean of its divisors is an integer number (6631666).

Almost surely, 2^13263331 is an apocalyptic number.

13263331 is a deficient number, since it is larger than the sum of its proper divisors (1).

13263331 is an equidigital number, since it uses as much as digits as its factorization.

13263331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972, while the sum is 22.

The square root of 13263331 is about 3641.8856379628. The cubic root of 13263331 is about 236.7105072083.

Adding to 13263331 its reverse (13336231), we get a palindrome (26599562).

Subtracting 13263331 from its reverse (13336231), we obtain a square (72900 = 270²).

The spelling of 13263331 in words is "thirteen million, two hundred sixty-three thousand, three hundred thirty-one".