13315207 has 4 divisors (see below), whose sum is σ = 13355056. Its totient is φ = 13275360.

The previous prime is 13315193. The next prime is 13315223. The reversal of 13315207 is 70251331.

13315207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13315207 - 2¹⁵ = 13282439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13315277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19419 + ... + 20092.

It is an arithmetic number, because the mean of its divisors is an integer number (3338764).

Almost surely, 2^13315207 is an apocalyptic number.

13315207 is a deficient number, since it is larger than the sum of its proper divisors (39849).

13315207 is an equidigital number, since it uses as much as digits as its factorization.

13315207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39848.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 13315207 is about 3649.0008221430. Note that the first 3 decimals coincide. The cubic root of 13315207 is about 237.0187158453.

Adding to 13315207 its reverse (70251331), we get a palindrome (83566538).

The spelling of 13315207 in words is "thirteen million, three hundred fifteen thousand, two hundred seven".