13021010 has 16 divisors (see below), whose sum is σ = 23760216. Its totient is φ = 5136768.

The previous prime is 13021009. The next prime is 13021027. The reversal of 13021010 is 1012031.

It can be written as a sum of positive squares in 4 ways, for example, as 12327121 + 693889 = 3511^2 + 833^2 .

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, 8189 + ... + 9648.

Almost surely, 2^13021010 is an apocalyptic number.

13021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13021010 is a deficient number, since it is larger than the sum of its proper divisors (10739206).

13021010 is a wasteful number, since it uses less digits than its factorization.

13021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17917.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 13021010 is about 3608.4636620035. The cubic root of 13021010 is about 235.2600712135.

Adding to 13021010 its reverse (1012031), we get a palindrome (14033041).

The spelling of 13021010 in words is "thirteen million, twenty-one thousand, ten".