13281895 has 8 divisors (see below), whose sum is σ = 17387280. Its totient is φ = 9659520.

The previous prime is 13281889. The next prime is 13281901. The reversal of 13281895 is 59818231.

It is an interprime number because it is at equal distance from previous prime (13281889) and next prime (13281901).

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

It is not a de Polignac number, because 13281895 - 2¹³ = 13273703 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 120690 + ... + 120799.

It is an arithmetic number, because the mean of its divisors is an integer number (2173410).

Almost surely, 2^13281895 is an apocalyptic number.

13281895 is a deficient number, since it is larger than the sum of its proper divisors (4105385).

13281895 is a wasteful number, since it uses less digits than its factorization.

13281895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241505.

The product of its digits is 17280, while the sum is 37.

The square root of 13281895 is about 3644.4334264739. The cubic root of 13281895 is about 236.8208928847.

It can be divided in two parts, 1328 and 1895, that added together give a palindrome (3223).

The spelling of 13281895 in words is "thirteen million, two hundred eighty-one thousand, eight hundred ninety-five".