13349556 has 96 divisors (see below), whose sum is σ = 40037760. Its totient is φ = 3801600.

The previous prime is 13349527. The next prime is 13349569. The reversal of 13349556 is 65594331.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 13349556.

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 31 ways as a sum of consecutive naturals, for example, 19866 + ... + 20526.

It is an arithmetic number, because the mean of its divisors is an integer number (417060).

Almost surely, 2^13349556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13349556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20018880).

13349556 is an abundant number, since it is smaller than the sum of its proper divisors (26688204).

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

13349556 is a wasteful number, since it uses less digits than its factorization.

13349556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702 (or 694 counting only the distinct ones).

The product of its digits is 48600, while the sum is 36.

The square root of 13349556 is about 3653.7044215426. The cubic root of 13349556 is about 237.2223518129. Note that the first 3 decimals are identical.

The spelling of 13349556 in words is "thirteen million, three hundred forty-nine thousand, five hundred fifty-six".