13449253 has 2 divisors, whose sum is σ = 13449254. Its totient is φ = 13449252.

The previous prime is 13449221. The next prime is 13449259. The reversal of 13449253 is 35294431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13417569 + 31684 = 3663^2 + 178^2 .

It is a cyclic number.

It is not a de Polignac number, because 13449253 - 2⁵ = 13449221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13449259) 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, 6724626 + 6724627.

It is an arithmetic number, because the mean of its divisors is an integer number (6724627).

Almost surely, 2^13449253 is an apocalyptic number.

It is an amenable number.

13449253 is a deficient number, since it is larger than the sum of its proper divisors (1).

13449253 is an equidigital number, since it uses as much as digits as its factorization.

13449253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 31.

The square root of 13449253 is about 3667.3223201677. The cubic root of 13449253 is about 237.8114282027.

The spelling of 13449253 in words is "thirteen million, four hundred forty-nine thousand, two hundred fifty-three".