13001273 has 2 divisors, whose sum is σ = 13001274. Its totient is φ = 13001272.

The previous prime is 13001269. The next prime is 13001291. The reversal of 13001273 is 37210031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11580409 + 1420864 = 3403^2 + 1192^2 .

It is a cyclic number.

It is not a de Polignac number, because 13001273 - 2² = 13001269 is a prime.

It is not a weakly prime, because it can be changed into another prime (13001213) 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, 6500636 + 6500637.

It is an arithmetic number, because the mean of its divisors is an integer number (6500637).

Almost surely, 2^13001273 is an apocalyptic number.

It is an amenable number.

13001273 is a deficient number, since it is larger than the sum of its proper divisors (1).

13001273 is an equidigital number, since it uses as much as digits as its factorization.

13001273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 13001273 is about 3605.7278044800. The cubic root of 13001273 is about 235.1411435192.

The spelling of 13001273 in words is "thirteen million, one thousand, two hundred seventy-three".