13211307 has 12 divisors (see below), whose sum is σ = 19548984. Its totient is φ = 8592480.

The previous prime is 13211273. The next prime is 13211311. The reversal of 13211307 is 70311231.

It is not a de Polignac number, because 13211307 - 2⁶ = 13211243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13211307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13211347) 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 11 ways as a sum of consecutive naturals, for example, 17533 + ... + 18270.

It is an arithmetic number, because the mean of its divisors is an integer number (1629082).

Almost surely, 2^13211307 is an apocalyptic number.

13211307 is a deficient number, since it is larger than the sum of its proper divisors (6337677).

13211307 is a wasteful number, since it uses less digits than its factorization.

13211307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35850 (or 35847 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 13211307 is about 3634.7361664913. The cubic root of 13211307 is about 236.4006111110.

Adding to 13211307 its reverse (70311231), we get a palindrome (83522538).

It can be divided in two parts, 1321 and 1307, that added together give a triangular number (2628 = T₇₂).

The spelling of 13211307 in words is "thirteen million, two hundred eleven thousand, three hundred seven".