13986226 has 8 divisors (see below), whose sum is σ = 21172140. Its totient is φ = 6928848.

The previous prime is 13986221. The next prime is 13986227. The reversal of 13986226 is 62268931.

It can be written as a sum of positive squares in 2 ways, for example, as 12257001 + 1729225 = 3501^2 + 1315^2 .

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

It is a super-2 number, since 2×13986226² = 391229035446152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13986221) 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, 31861 + ... + 32296.

Almost surely, 2^13986226 is an apocalyptic number.

13986226 is a deficient number, since it is larger than the sum of its proper divisors (7185914).

13986226 is a wasteful number, since it uses less digits than its factorization.

13986226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64268.

The product of its digits is 31104, while the sum is 37.

The square root of 13986226 is about 3739.8163056492. The cubic root of 13986226 is about 240.9351592922.

It can be divided in two parts, 1398622 and 6, that added together give a triangular number (1398628 = T₁₆₇₂).

The spelling of 13986226 in words is "thirteen million, nine hundred eighty-six thousand, two hundred twenty-six".