13349286 has 40 divisors (see below), whose sum is σ = 31493880. Its totient is φ = 4214592.

The previous prime is 13349263. The next prime is 13349327. The reversal of 13349286 is 68294331.

It is a self number, because there is not a number n which added to its sum of digits gives 13349286.

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 in 19 ways as a sum of consecutive naturals, for example, 910 + ... + 5246.

It is an arithmetic number, because the mean of its divisors is an integer number (787347).

Almost surely, 2^13349286 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13349286, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15746940).

13349286 is an abundant number, since it is smaller than the sum of its proper divisors (18144594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13349286 is a wasteful number, since it uses less digits than its factorization.

13349286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4370 (or 4361 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 13349286 is about 3653.6674725541. The cubic root of 13349286 is about 237.2207524971.

The spelling of 13349286 in words is "thirteen million, three hundred forty-nine thousand, two hundred eighty-six".