13420286 has 16 divisors (see below), whose sum is σ = 22429440. Its totient is φ = 5969880.

The previous prime is 13420271. The next prime is 13420291. The reversal of 13420286 is 68202431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5456 + ... + 7523.

It is an arithmetic number, because the mean of its divisors is an integer number (1401840).

Almost surely, 2^13420286 is an apocalyptic number.

13420286 is a deficient number, since it is larger than the sum of its proper divisors (9009154).

13420286 is a wasteful number, since it uses less digits than its factorization.

13420286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13039.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 13420286 is about 3663.3708520978. The cubic root of 13420286 is about 237.6405727363.

The spelling of 13420286 in words is "thirteen million, four hundred twenty thousand, two hundred eighty-six".