13305012 has 24 divisors (see below), whose sum is σ = 35480256. Its totient is φ = 3801408.

The previous prime is 13305007. The next prime is 13305013. The reversal of 13305012 is 21050331.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13304982 and 13305000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13305013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79113 + ... + 79280.

It is an arithmetic number, because the mean of its divisors is an integer number (1478344).

Almost surely, 2^13305012 is an apocalyptic number.

13305012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13305012 is an abundant number, since it is smaller than the sum of its proper divisors (22175244).

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

13305012 is a wasteful number, since it uses less digits than its factorization.

13305012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158407 (or 158405 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 13305012 is about 3647.6035968838. The cubic root of 13305012 is about 236.9582080167.

Adding to 13305012 its reverse (21050331), we get a palindrome (34355343).

The spelling of 13305012 in words is "thirteen million, three hundred five thousand, twelve".