13020012 has 36 divisors (see below), whose sum is σ = 33030816. Its totient is φ = 4324320.

The previous prime is 13019999. The next prime is 13020017. The reversal of 13020012 is 21002031.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 13019976 and 13020003.

It is not an unprimeable number, because it can be changed into a prime (13020017) 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 11 ways as a sum of consecutive naturals, for example, 13837 + ... + 14747.

Almost surely, 2^13020012 is an apocalyptic number.

13020012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13020012 is an abundant number, since it is smaller than the sum of its proper divisors (20010804).

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

13020012 is a wasteful number, since it uses less digits than its factorization.

13020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318 (or 1313 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 13020012 is about 3608.3253733553. The cubic root of 13020012 is about 235.2540605290.

Adding to 13020012 its reverse (21002031), we get a palindrome (34022043).

The spelling of 13020012 in words is "thirteen million, twenty thousand, twelve".