13724847 has 12 divisors (see below), whose sum is σ = 20464704. Its totient is φ = 8854560.

The previous prime is 13724839. The next prime is 13724857. The reversal of 13724847 is 74842731.

It is a happy number.

It is not a de Polignac number, because 13724847 - 2³ = 13724839 is a prime.

It is a Smith number, since the sum of its digits (36) 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 (13724857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24318 + ... + 24875.

It is an arithmetic number, because the mean of its divisors is an integer number (1705392).

Almost surely, 2^13724847 is an apocalyptic number.

13724847 is a deficient number, since it is larger than the sum of its proper divisors (6739857).

13724847 is a wasteful number, since it uses less digits than its factorization.

13724847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49230 (or 49227 counting only the distinct ones).

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

The square root of 13724847 is about 3704.7060612146. The cubic root of 13724847 is about 239.4248205537.

The spelling of 13724847 in words is "thirteen million, seven hundred twenty-four thousand, eight hundred forty-seven".