13650713 has 4 divisors (see below), whose sum is σ = 13791540. Its totient is φ = 13509888.

The previous prime is 13650709. The next prime is 13650787. The reversal of 13650713 is 31705631.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31705631 = 587 ⋅54013.

It can be written as a sum of positive squares in 2 ways, for example, as 10220809 + 3429904 = 3197^2 + 1852^2 .

It is a cyclic number.

It is not a de Polignac number, because 13650713 - 2² = 13650709 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13650313) 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, 70268 + ... + 70461.

It is an arithmetic number, because the mean of its divisors is an integer number (3447885).

Almost surely, 2^13650713 is an apocalyptic number.

It is an amenable number.

13650713 is a deficient number, since it is larger than the sum of its proper divisors (140827).

13650713 is an equidigital number, since it uses as much as digits as its factorization.

13650713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140826.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 13650713 is about 3694.6871315444. The cubic root of 13650713 is about 238.9929621008.

The spelling of 13650713 in words is "thirteen million, six hundred fifty thousand, seven hundred thirteen".