13021612 has 24 divisors (see below), whose sum is σ = 24765440. Its totient is φ = 5968080.

The previous prime is 13021607. The next prime is 13021633. The reversal of 13021612 is 21612031.

13021612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408 + ... + 5119.

Almost surely, 2^13021612 is an apocalyptic number.

It is an amenable number.

13021612 is a deficient number, since it is larger than the sum of its proper divisors (11743828).

13021612 is a wasteful number, since it uses less digits than its factorization.

13021612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5581 (or 5579 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 13021612 is about 3608.5470760404. The cubic root of 13021612 is about 235.2636967485.

Adding to 13021612 its reverse (21612031), we get a palindrome (34633643).

The spelling of 13021612 in words is "thirteen million, twenty-one thousand, six hundred twelve".