13213012 has 12 divisors (see below), whose sum is σ = 24483060. Its totient is φ = 6217856.

The previous prime is 13213001. The next prime is 13213043. The reversal of 13213012 is 21031231.

13213012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10536516 + 2676496 = 3246^2 + 1636^2 .

It is a super-2 number, since 2×13213012² = 349167372224288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13212983 and 13213001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97087 + ... + 97222.

It is an arithmetic number, because the mean of its divisors is an integer number (2040255).

Almost surely, 2^13213012 is an apocalyptic number.

It is an amenable number.

13213012 is a deficient number, since it is larger than the sum of its proper divisors (11270048).

13213012 is a wasteful number, since it uses less digits than its factorization.

13213012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194330 (or 194328 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 13213012 is about 3634.9707013950. The cubic root of 13213012 is about 236.4107803219.

Adding to 13213012 its reverse (21031231), we get a palindrome (34244243).

The spelling of 13213012 in words is "thirteen million, two hundred thirteen thousand, twelve".