13847320 has 32 divisors (see below), whose sum is σ = 31468320. Its totient is φ = 5483520.

The previous prime is 13847303. The next prime is 13847329. The reversal of 13847320 is 2374831.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13847329) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2440 + ... + 5800.

It is an arithmetic number, because the mean of its divisors is an integer number (983385).

Almost surely, 2^13847320 is an apocalyptic number.

13847320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13847320 is an abundant number, since it is smaller than the sum of its proper divisors (17621000).

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

13847320 is a wasteful number, since it uses less digits than its factorization.

13847320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3475 (or 3471 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 13847320 is about 3721.1987315917. The cubic root of 13847320 is about 240.1348778893.

The spelling of 13847320 in words is "thirteen million, eight hundred forty-seven thousand, three hundred twenty".