13724427 has 8 divisors (see below), whose sum is σ = 18317520. Its totient is φ = 9140480.

The previous prime is 13724387. The next prime is 13724449. The reversal of 13724427 is 72442731.

13724427 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13724427 - 2⁶ = 13724363 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13724394 and 13724403.

It is not an unprimeable number, because it can be changed into a prime (13724497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2899 + ... + 5987.

It is an arithmetic number, because the mean of its divisors is an integer number (2289690).

Almost surely, 2^13724427 is an apocalyptic number.

13724427 is a deficient number, since it is larger than the sum of its proper divisors (4593093).

13724427 is a wasteful number, since it uses less digits than its factorization.

13724427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4573.

The product of its digits is 9408, while the sum is 30.

The square root of 13724427 is about 3704.6493761218. The cubic root of 13724427 is about 239.4223782812.

The spelling of 13724427 in words is "thirteen million, seven hundred twenty-four thousand, four hundred twenty-seven".