13747727 has 8 divisors (see below), whose sum is σ = 15783936. Its totient is φ = 11729592.

The previous prime is 13747703. The next prime is 13747733. The reversal of 13747727 is 72774731.

It is a happy number.

13747727 is digitally balanced in base 2 and base 3, 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 not a de Polignac number, because 13747727 - 2⁸ = 13747471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13747777) 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, 2843 + ... + 5964.

It is an arithmetic number, because the mean of its divisors is an integer number (1972992).

Almost surely, 2^13747727 is an apocalyptic number.

13747727 is a deficient number, since it is larger than the sum of its proper divisors (2036209).

13747727 is an equidigital number, since it uses as much as digits as its factorization.

13747727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9037.

The product of its digits is 57624, while the sum is 38.

The square root of 13747727 is about 3707.7927396229. The cubic root of 13747727 is about 239.5577910380.

The spelling of 13747727 in words is "thirteen million, seven hundred forty-seven thousand, seven hundred twenty-seven".