13251233 has 2 divisors, whose sum is σ = 13251234. Its totient is φ = 13251232.

The previous prime is 13251169. The next prime is 13251253. The reversal of 13251233 is 33215231.

It is an a-pointer prime, because the next prime (13251253) can be obtained adding 13251233 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8958049 + 4293184 = 2993^2 + 2072^2 .

It is a cyclic number.

It is not a de Polignac number, because 13251233 - 2⁶ = 13251169 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13251253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6625616 + 6625617.

It is an arithmetic number, because the mean of its divisors is an integer number (6625617).

Almost surely, 2^13251233 is an apocalyptic number.

It is an amenable number.

13251233 is a deficient number, since it is larger than the sum of its proper divisors (1).

13251233 is an equidigital number, since it uses as much as digits as its factorization.

13251233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 540, while the sum is 20.

The square root of 13251233 is about 3640.2243062756. The cubic root of 13251233 is about 236.6385143617.

Adding to 13251233 its reverse (33215231), we get a palindrome (46466464).

The spelling of 13251233 in words is "thirteen million, two hundred fifty-one thousand, two hundred thirty-three".