13724771 has 2 divisors, whose sum is σ = 13724772. Its totient is φ = 13724770.

The previous prime is 13724761. The next prime is 13724773. The reversal of 13724771 is 17742731.

13724771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13724771 - 2²² = 9530467 is a prime.

Together with 13724773, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13724773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6862385 + 6862386.

It is an arithmetic number, because the mean of its divisors is an integer number (6862386).

Almost surely, 2^13724771 is an apocalyptic number.

13724771 is a deficient number, since it is larger than the sum of its proper divisors (1).

13724771 is an equidigital number, since it uses as much as digits as its factorization.

13724771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8232, while the sum is 32.

The square root of 13724771 is about 3704.6958039764. The cubic root of 13724771 is about 239.4243786224.

The spelling of 13724771 in words is "thirteen million, seven hundred twenty-four thousand, seven hundred seventy-one".