13245507 has 18 divisors (see below), whose sum is σ = 21031556. Its totient is φ = 8026920.

The previous prime is 13245473. The next prime is 13245509. The reversal of 13245507 is 70554231.

It is a happy number.

It is not a de Polignac number, because 13245507 - 2⁸ = 13245251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13245509) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4993 + ... + 7170.

Almost surely, 2^13245507 is an apocalyptic number.

13245507 is a deficient number, since it is larger than the sum of its proper divisors (7786049).

13245507 is a wasteful number, since it uses less digits than its factorization.

13245507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12191 (or 12177 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 13245507 is about 3639.4377312986. The cubic root of 13245507 is about 236.6044247704.

Adding to 13245507 its reverse (70554231), we get a palindrome (83799738).

The spelling of 13245507 in words is "thirteen million, two hundred forty-five thousand, five hundred seven".