13660741 has 6 divisors (see below), whose sum is σ = 14511890. Its totient is φ = 12856896.

The previous prime is 13660663. The next prime is 13660763. The reversal of 13660741 is 14706631.

It can be written as a sum of positive squares in 3 ways, for example, as 1612900 + 12047841 = 1270^2 + 3471^2 .

It is not a de Polignac number, because 13660741 - 2¹⁵ = 13627973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13660771) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23346 + ... + 23923.

Almost surely, 2^13660741 is an apocalyptic number.

It is an amenable number.

13660741 is a deficient number, since it is larger than the sum of its proper divisors (851149).

13660741 is an equidigital number, since it uses as much as digits as its factorization.

13660741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47303 (or 47286 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 13660741 is about 3696.0439661887. The cubic root of 13660741 is about 239.0514702730.

The spelling of 13660741 in words is "thirteen million, six hundred sixty thousand, seven hundred forty-one".