13501385 has 8 divisors (see below), whose sum is σ = 16760520. Its totient is φ = 10428544.

The previous prime is 13501357. The next prime is 13501387. The reversal of 13501385 is 58310531.

It can be written as a sum of positive squares in 4 ways, for example, as 1132096 + 12369289 = 1064^2 + 3517^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13501385 - 2⁶ = 13501321 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13501387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46412 + ... + 46701.

It is an arithmetic number, because the mean of its divisors is an integer number (2095065).

Almost surely, 2^13501385 is an apocalyptic number.

It is an amenable number.

13501385 is a deficient number, since it is larger than the sum of its proper divisors (3259135).

13501385 is an equidigital number, since it uses as much as digits as its factorization.

13501385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93147.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 13501385 is about 3674.4230839684. The cubic root of 13501385 is about 238.1183002963.

The spelling of 13501385 in words is "thirteen million, five hundred one thousand, three hundred eighty-five".