13607761 has 4 divisors (see below), whose sum is σ = 13683124. Its totient is φ = 13532400.

The previous prime is 13607753. The next prime is 13607771. The reversal of 13607761 is 16770631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3168400 + 10439361 = 1780^2 + 3231^2 .

It is a cyclic number.

It is not a de Polignac number, because 13607761 - 2³ = 13607753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13607731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37410 + ... + 37771.

It is an arithmetic number, because the mean of its divisors is an integer number (3420781).

Almost surely, 2^13607761 is an apocalyptic number.

It is an amenable number.

13607761 is a deficient number, since it is larger than the sum of its proper divisors (75363).

13607761 is an equidigital number, since it uses as much as digits as its factorization.

13607761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75362.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 13607761 is about 3688.8698811425. The cubic root of 13607761 is about 238.7420347662.

The spelling of 13607761 in words is "thirteen million, six hundred seven thousand, seven hundred sixty-one".