13255966 has 8 divisors (see below), whose sum is σ = 19900440. Its totient is φ = 6622488.

The previous prime is 13255951. The next prime is 13255999. The reversal of 13255966 is 66955231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1720 + ... + 5428.

It is an arithmetic number, because the mean of its divisors is an integer number (2487555).

Almost surely, 2^13255966 is an apocalyptic number.

13255966 is a deficient number, since it is larger than the sum of its proper divisors (6644474).

13255966 is a wasteful number, since it uses less digits than its factorization.

13255966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5498.

The product of its digits is 48600, while the sum is 37.

The square root of 13255966 is about 3640.8743455384. The cubic root of 13255966 is about 236.6666847407. Note that the first 4 decimals are identical.

It can be divided in two parts, 13255 and 966, that multiplied together give a triangular number (12804330 = T₅₀₆₀).

The spelling of 13255966 in words is "thirteen million, two hundred fifty-five thousand, nine hundred sixty-six".