13071433 has 2 divisors, whose sum is σ = 13071434. Its totient is φ = 13071432.

The previous prime is 13071427. The next prime is 13071437. The reversal of 13071433 is 33417031.

It is a happy number.

13071433 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 can be written as a sum of positive squares in only one way, i.e., 11744329 + 1327104 = 3427^2 + 1152^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13071433 is a prime.

It is not a weakly prime, because it can be changed into another prime (13071437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6535716 + 6535717.

It is an arithmetic number, because the mean of its divisors is an integer number (6535717).

Almost surely, 2^13071433 is an apocalyptic number.

It is an amenable number.

13071433 is a deficient number, since it is larger than the sum of its proper divisors (1).

13071433 is an equidigital number, since it uses as much as digits as its factorization.

13071433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 13071433 is about 3615.4436795503. The cubic root of 13071433 is about 235.5633564209.

Adding to 13071433 its reverse (33417031), we get a palindrome (46488464).

The spelling of 13071433 in words is "thirteen million, seventy-one thousand, four hundred thirty-three".