13943316 has 48 divisors (see below), whose sum is σ = 34070400. Its totient is φ = 4432512.

The previous prime is 13943299. The next prime is 13943323. The reversal of 13943316 is 61334931.

It is a super-2 number, since 2×13943316² = 388832122151712, which contains 22 as substring.

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, 35650 + ... + 36038.

It is an arithmetic number, because the mean of its divisors is an integer number (709800).

Almost surely, 2^13943316 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 13943316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17035200).

13943316 is an abundant number, since it is smaller than the sum of its proper divisors (20127084).

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

13943316 is a wasteful number, since it uses less digits than its factorization.

13943316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528 (or 526 counting only the distinct ones).

The product of its digits is 5832, while the sum is 30.

The square root of 13943316 is about 3734.0749858566. The cubic root of 13943316 is about 240.6885090361.

The spelling of 13943316 in words is "thirteen million, nine hundred forty-three thousand, three hundred sixteen".