13853263 has 2 divisors, whose sum is σ = 13853264. Its totient is φ = 13853262.

The previous prime is 13853251. The next prime is 13853269. The reversal of 13853263 is 36235831.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13853263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13853269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6926631 + 6926632.

It is an arithmetic number, because the mean of its divisors is an integer number (6926632).

Almost surely, 2^13853263 is an apocalyptic number.

13853263 is a deficient number, since it is larger than the sum of its proper divisors (1).

13853263 is an equidigital number, since it uses as much as digits as its factorization.

13853263 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 13853263 is about 3721.9971789350. The cubic root of 13853263 is about 240.1692267131.

It can be divided in two parts, 1385326 and 3, that added together give a square (1385329 = 1177²).

The spelling of 13853263 in words is "thirteen million, eight hundred fifty-three thousand, two hundred sixty-three".