13245137 has 2 divisors, whose sum is σ = 13245138. Its totient is φ = 13245136.

The previous prime is 13245107. The next prime is 13245151. The reversal of 13245137 is 73154231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11296321 + 1948816 = 3361^2 + 1396^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13245137 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13245107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6622568 + 6622569.

It is an arithmetic number, because the mean of its divisors is an integer number (6622569).

Almost surely, 2^13245137 is an apocalyptic number.

It is an amenable number.

13245137 is a deficient number, since it is larger than the sum of its proper divisors (1).

13245137 is an equidigital number, since it uses as much as digits as its factorization.

13245137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 26.

The square root of 13245137 is about 3639.3868989158. The cubic root of 13245137 is about 236.6022216472.

Adding to 13245137 its reverse (73154231), we get a palindrome (86399368).

The spelling of 13245137 in words is "thirteen million, two hundred forty-five thousand, one hundred thirty-seven".