13281002 has 16 divisors (see below), whose sum is σ = 23383680. Its totient is φ = 5537808.

The previous prime is 13281001. The next prime is 13281017. The reversal of 13281002 is 20018231.

It is not an unprimeable number, because it can be changed into a prime (13281001) 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 7 ways as a sum of consecutive naturals, for example, 12302 + ... + 13337.

It is an arithmetic number, because the mean of its divisors is an integer number (1461480).

Almost surely, 2^13281002 is an apocalyptic number.

13281002 is a deficient number, since it is larger than the sum of its proper divisors (10102678).

13281002 is a wasteful number, since it uses less digits than its factorization.

13281002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25685.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 13281002 is about 3644.3109088002. The cubic root of 13281002 is about 236.8155852636.

Adding to 13281002 its reverse (20018231), we get a palindrome (33299233).

The spelling of 13281002 in words is "thirteen million, two hundred eighty-one thousand, two".