13666350 has 48 divisors (see below), whose sum is σ = 34997760. Its totient is φ = 3525600.

The previous prime is 13666321. The next prime is 13666369. The reversal of 13666350 is 5366631.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3181 + ... + 6119.

It is an arithmetic number, because the mean of its divisors is an integer number (729120).

Almost surely, 2^13666350 is an apocalyptic number.

13666350 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 13666350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17498880).

13666350 is an abundant number, since it is smaller than the sum of its proper divisors (21331410).

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

13666350 is a wasteful number, since it uses less digits than its factorization.

13666350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2985 (or 2980 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 13666350 is about 3696.8026725807. The cubic root of 13666350 is about 239.0841833893.

The spelling of 13666350 in words is "thirteen million, six hundred sixty-six thousand, three hundred fifty".