13266433 has 2 divisors, whose sum is σ = 13266434. Its totient is φ = 13266432.

The previous prime is 13266431. The next prime is 13266437. The reversal of 13266433 is 33466231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10810944 + 2455489 = 3288^2 + 1567^2 .

It is a cyclic number.

It is not a de Polignac number, because 13266433 - 2¹ = 13266431 is a prime.

Together with 13266431, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13266431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6633216 + 6633217.

It is an arithmetic number, because the mean of its divisors is an integer number (6633217).

Almost surely, 2^13266433 is an apocalyptic number.

It is an amenable number.

13266433 is a deficient number, since it is larger than the sum of its proper divisors (1).

13266433 is an equidigital number, since it uses as much as digits as its factorization.

13266433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 28.

The square root of 13266433 is about 3642.3114913472. The cubic root of 13266433 is about 236.7289595552.

The spelling of 13266433 in words is "thirteen million, two hundred sixty-six thousand, four hundred thirty-three".