13321002 has 32 divisors (see below), whose sum is σ = 28159488. Its totient is φ = 4192496.

The previous prime is 13320977. The next prime is 13321003. The reversal of 13321002 is 20012331.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13321003) 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 15 ways as a sum of consecutive naturals, for example, 10873 + ... + 12035.

It is an arithmetic number, because the mean of its divisors is an integer number (879984).

Almost surely, 2^13321002 is an apocalyptic number.

13321002 is an abundant number, since it is smaller than the sum of its proper divisors (14838486).

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

13321002 is a wasteful number, since it uses less digits than its factorization.

13321002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 13321002 is about 3649.7947887518. The cubic root of 13321002 is about 237.0530956900.

Adding to 13321002 its reverse (20012331), we get a palindrome (33333333).

The spelling of 13321002 in words is "thirteen million, three hundred twenty-one thousand, two".