13271385 has 16 divisors (see below), whose sum is σ = 21280896. Its totient is φ = 7062528.

The previous prime is 13271383. The next prime is 13271389. The reversal of 13271385 is 58317231.

It is not a de Polignac number, because 13271385 - 2¹ = 13271383 is a prime.

It is a super-2 number, since 2×13271385² = 352259319636450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13271383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10297 + ... + 11513.

It is an arithmetic number, because the mean of its divisors is an integer number (1330056).

Almost surely, 2^13271385 is an apocalyptic number.

13271385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13271385 is a deficient number, since it is larger than the sum of its proper divisors (8009511).

13271385 is a wasteful number, since it uses less digits than its factorization.

13271385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952.

The product of its digits is 5040, while the sum is 30.

The square root of 13271385 is about 3642.9912160202. The cubic root of 13271385 is about 236.7584107267.

It can be divided in two parts, 132 and 71385, that added together give a palindrome (71517).

The spelling of 13271385 in words is "thirteen million, two hundred seventy-one thousand, three hundred eighty-five".