13211707 has 16 divisors (see below), whose sum is σ = 14460160. Its totient is φ = 12029472.

The previous prime is 13211699. The next prime is 13211711. The reversal of 13211707 is 70711231.

13211707 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13211707 - 2³ = 13211699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13211767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84073 + ... + 84229.

It is an arithmetic number, because the mean of its divisors is an integer number (903760).

Almost surely, 2^13211707 is an apocalyptic number.

13211707 is a deficient number, since it is larger than the sum of its proper divisors (1248453).

13211707 is a wasteful number, since it uses less digits than its factorization.

13211707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322.

The product of its (nonzero) digits is 294, while the sum is 22.

The square root of 13211707 is about 3634.7911907013. The cubic root of 13211707 is about 236.4029969282.

Adding to 13211707 its reverse (70711231), we get a palindrome (83922938).

The spelling of 13211707 in words is "thirteen million, two hundred eleven thousand, seven hundred seven".