13270286 has 4 divisors (see below), whose sum is σ = 19905432. Its totient is φ = 6635142.

The previous prime is 13270277. The next prime is 13270291. The reversal of 13270286 is 68207231.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×13270286² = 352200981043592, 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 as a sum of consecutive naturals, namely, 3317570 + ... + 3317573.

It is an arithmetic number, because the mean of its divisors is an integer number (4976358).

Almost surely, 2^13270286 is an apocalyptic number.

13270286 is a deficient number, since it is larger than the sum of its proper divisors (6635146).

13270286 is an equidigital number, since it uses as much as digits as its factorization.

13270286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6635145.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 13270286 is about 3642.8403753116. The cubic root of 13270286 is about 236.7518752451.

The spelling of 13270286 in words is "thirteen million, two hundred seventy thousand, two hundred eighty-six".