13213286 has 8 divisors (see below), whose sum is σ = 20156040. Its totient is φ = 6494608.

The previous prime is 13213283. The next prime is 13213289. The reversal of 13213286 is 68231231.

It is an interprime number because it is at equal distance from previous prime (13213283) and next prime (13213289).

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13213283) 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 in 3 ways as a sum of consecutive naturals, for example, 55871 + ... + 56106.

It is an arithmetic number, because the mean of its divisors is an integer number (2519505).

Almost surely, 2^13213286 is an apocalyptic number.

13213286 is a deficient number, since it is larger than the sum of its proper divisors (6942754).

13213286 is a wasteful number, since it uses less digits than its factorization.

13213286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112038.

The product of its digits is 1728, while the sum is 26.

The square root of 13213286 is about 3635.0083906368. The cubic root of 13213286 is about 236.4124144713.

The spelling of 13213286 in words is "thirteen million, two hundred thirteen thousand, two hundred eighty-six".