13749707 has 4 divisors (see below), whose sum is σ = 13758600. Its totient is φ = 13740816.

The previous prime is 13749691. The next prime is 13749733. The reversal of 13749707 is 70794731.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13749707 - 2⁴ = 13749691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13749797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1457 + ... + 5442.

It is an arithmetic number, because the mean of its divisors is an integer number (3439650).

Almost surely, 2^13749707 is an apocalyptic number.

13749707 is a deficient number, since it is larger than the sum of its proper divisors (8893).

13749707 is an equidigital number, since it uses as much as digits as its factorization.

13749707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8892.

The product of its (nonzero) digits is 37044, while the sum is 38.

The square root of 13749707 is about 3708.0597352254. The cubic root of 13749707 is about 239.5692911610.

The spelling of 13749707 in words is "thirteen million, seven hundred forty-nine thousand, seven hundred seven".