13240333 has 2 divisors, whose sum is σ = 13240334. Its totient is φ = 13240332.

The previous prime is 13240319. The next prime is 13240343. The reversal of 13240333 is 33304231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8838729 + 4401604 = 2973^2 + 2098^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13240333 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13240333.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13240303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6620166 + 6620167.

It is an arithmetic number, because the mean of its divisors is an integer number (6620167).

Almost surely, 2^13240333 is an apocalyptic number.

It is an amenable number.

13240333 is a deficient number, since it is larger than the sum of its proper divisors (1).

13240333 is an equidigital number, since it uses as much as digits as its factorization.

13240333 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 19.

The square root of 13240333 is about 3638.7268377827. The cubic root of 13240333 is about 236.5736130462.

Adding to 13240333 its reverse (33304231), we get a palindrome (46544564).

The spelling of 13240333 in words is "thirteen million, two hundred forty thousand, three hundred thirty-three".