13281016 has 16 divisors (see below), whose sum is σ = 28459440. Its totient is φ = 5691840.

The previous prime is 13281001. The next prime is 13281017. The reversal of 13281016 is 61018231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13281017) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 118525 + ... + 118636.

It is an arithmetic number, because the mean of its divisors is an integer number (1778715).

Almost surely, 2^13281016 is an apocalyptic number.

It is an amenable number.

13281016 is an abundant number, since it is smaller than the sum of its proper divisors (15178424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13281016 is a wasteful number, since it uses less digits than its factorization.

13281016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237174 (or 237170 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 13281016 is about 3644.3128296018. The cubic root of 13281016 is about 236.8156684757.

Adding to 13281016 its reverse (61018231), we get a palindrome (74299247).

The spelling of 13281016 in words is "thirteen million, two hundred eighty-one thousand, sixteen".