13847472 has 120 divisors (see below), whose sum is σ = 41899104. Its totient is φ = 4257792.

The previous prime is 13847467. The next prime is 13847489. The reversal of 13847472 is 27474831.

It is a happy number.

13847472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 122488 + ... + 122600.

Almost surely, 2^13847472 is an apocalyptic number.

13847472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13847472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20949552).

13847472 is an abundant number, since it is smaller than the sum of its proper divisors (28051632).

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

13847472 is a wasteful number, since it uses less digits than its factorization.

13847472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 178 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 13847472 is about 3721.2191550620. The cubic root of 13847472 is about 240.1357565279.

The spelling of 13847472 in words is "thirteen million, eight hundred forty-seven thousand, four hundred seventy-two".