13012212 has 24 divisors (see below), whose sum is σ = 30520000. Its totient is φ = 4314816.

The previous prime is 13012171. The next prime is 13012217. The reversal of 13012212 is 21221031.

13012212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13012212² = 338635322265888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13012217) 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, 337 + ... + 5112.

Almost surely, 2^13012212 is an apocalyptic number.

13012212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13012212 is an abundant number, since it is smaller than the sum of its proper divisors (17507788).

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

13012212 is a wasteful number, since it uses less digits than its factorization.

13012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5655 (or 5653 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 13012212 is about 3607.2443776379. The cubic root of 13012212 is about 235.2070726505.

Adding to 13012212 its reverse (21221031), we get a palindrome (34233243).

The spelling of 13012212 in words is "thirteen million, twelve thousand, two hundred twelve".