13105286 has 8 divisors (see below), whose sum is σ = 19678464. Its totient is φ = 6545800.

The previous prime is 13105277. The next prime is 13105319. The reversal of 13105286 is 68250131.

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

It is a super-2 number, since 2×13105286² = 343497042283592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 545 + ... + 5148.

It is an arithmetic number, because the mean of its divisors is an integer number (2459808).

Almost surely, 2^13105286 is an apocalyptic number.

13105286 is a deficient number, since it is larger than the sum of its proper divisors (6573178).

13105286 is a wasteful number, since it uses less digits than its factorization.

13105286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6846.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 13105286 is about 3620.1223736222. The cubic root of 13105286 is about 235.7665387327.

The spelling of 13105286 in words is "thirteen million, one hundred five thousand, two hundred eighty-six".