13684950 has 120 divisors (see below), whose sum is σ = 39610560. Its totient is φ = 3499200.

The previous prime is 13684877. The next prime is 13684961. The reversal of 13684950 is 5948631.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 125496 + ... + 125604.

It is an arithmetic number, because the mean of its divisors is an integer number (330088).

Almost surely, 2^13684950 is an apocalyptic number.

13684950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13684950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19805280).

13684950 is an abundant number, since it is smaller than the sum of its proper divisors (25925610).

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

13684950 is a wasteful number, since it uses less digits than its factorization.

13684950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 13684950 is about 3699.3175046216. The cubic root of 13684950 is about 239.1925993132.

The spelling of 13684950 in words is "thirteen million, six hundred eighty-four thousand, nine hundred fifty".