13143233 has 2 divisors, whose sum is σ = 13143234. Its totient is φ = 13143232.

The previous prime is 13143223. The next prime is 13143239. The reversal of 13143233 is 33234131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12159169 + 984064 = 3487^2 + 992^2 .

It is a cyclic number.

It is not a de Polignac number, because 13143233 - 2⁴ = 13143217 is a prime.

It is not a weakly prime, because it can be changed into another prime (13143239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6571616 + 6571617.

It is an arithmetic number, because the mean of its divisors is an integer number (6571617).

Almost surely, 2^13143233 is an apocalyptic number.

It is an amenable number.

13143233 is a deficient number, since it is larger than the sum of its proper divisors (1).

13143233 is an equidigital number, since it uses as much as digits as its factorization.

13143233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 20.

The square root of 13143233 is about 3625.3597062912. The cubic root of 13143233 is about 235.9938773189.

Adding to 13143233 its reverse (33234131), we get a palindrome (46377364).

The spelling of 13143233 in words is "thirteen million, one hundred forty-three thousand, two hundred thirty-three".