13001212 has 24 divisors (see below), whose sum is σ = 26145504. Its totient is φ = 5541312.

The previous prime is 13001173. The next prime is 13001213. The reversal of 13001212 is 21210031.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13001213) 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, 4338 + ... + 6694.

It is an arithmetic number, because the mean of its divisors is an integer number (1089396).

Almost surely, 2^13001212 is an apocalyptic number.

It is an amenable number.

13001212 is an abundant number, since it is smaller than the sum of its proper divisors (13144292).

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

13001212 is a wasteful number, since it uses less digits than its factorization.

13001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2565 (or 2563 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 13001212 is about 3605.7193457062. The cubic root of 13001212 is about 235.1407757697.

Adding to 13001212 its reverse (21210031), we get a palindrome (34211243).

The spelling of 13001212 in words is "thirteen million, one thousand, two hundred twelve".