13747705 has 16 divisors (see below), whose sum is σ = 16881984. Its totient is φ = 10745280.

The previous prime is 13747703. The next prime is 13747733. The reversal of 13747705 is 50774731.

It is not a de Polignac number, because 13747705 - 2¹ = 13747703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13747703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65050 + ... + 65260.

It is an arithmetic number, because the mean of its divisors is an integer number (1055124).

Almost surely, 2^13747705 is an apocalyptic number.

It is an amenable number.

13747705 is a deficient number, since it is larger than the sum of its proper divisors (3134279).

13747705 is a wasteful number, since it uses less digits than its factorization.

13747705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456.

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 13747705 is about 3707.7897728971. The cubic root of 13747705 is about 239.5576632526.

The spelling of 13747705 in words is "thirteen million, seven hundred forty-seven thousand, seven hundred five".