13389761 has 32 divisors (see below), whose sum is σ = 18102528. Its totient is φ = 9584640.

The previous prime is 13389757. The next prime is 13389767. The reversal of 13389761 is 16798331.

13389761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13389761 - 2² = 13389757 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13389767) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69281 + ... + 69473.

It is an arithmetic number, because the mean of its divisors is an integer number (565704).

Almost surely, 2^13389761 is an apocalyptic number.

13389761 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13389761 is a deficient number, since it is larger than the sum of its proper divisors (4712767).

13389761 is a wasteful number, since it uses less digits than its factorization.

13389761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281.

The product of its digits is 27216, while the sum is 38.

The square root of 13389761 is about 3659.2022354606. The cubic root of 13389761 is about 237.4602614954.

The spelling of 13389761 in words is "thirteen million, three hundred eighty-nine thousand, seven hundred sixty-one".