13286870 has 32 divisors (see below), whose sum is σ = 25583040. Its totient is φ = 4956160.

The previous prime is 13286863. The next prime is 13286891. The reversal of 13286870 is 7868231.

It is a self number, because there is not a number n which added to its sum of digits gives 13286870.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8726 + ... + 10134.

It is an arithmetic number, because the mean of its divisors is an integer number (799470).

Almost surely, 2^13286870 is an apocalyptic number.

13286870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13286870 is a deficient number, since it is larger than the sum of its proper divisors (12296170).

13286870 is a wasteful number, since it uses less digits than its factorization.

13286870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 13286870 is about 3645.1159103655. The cubic root of 13286870 is about 236.8504578644.

The spelling of 13286870 in words is "thirteen million, two hundred eighty-six thousand, eight hundred seventy".