13135807 has 2 divisors, whose sum is σ = 13135808. Its totient is φ = 13135806.

The previous prime is 13135789. The next prime is 13135813. The reversal of 13135807 is 70853131.

13135807 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13135807 - 2¹⁹ = 12611519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13135877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6567903 + 6567904.

It is an arithmetic number, because the mean of its divisors is an integer number (6567904).

Almost surely, 2^13135807 is an apocalyptic number.

13135807 is a deficient number, since it is larger than the sum of its proper divisors (1).

13135807 is an equidigital number, since it uses as much as digits as its factorization.

13135807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 13135807 is about 3624.3353873503. The cubic root of 13135807 is about 235.9494229929.

Adding to 13135807 its reverse (70853131), we get a palindrome (83988938).

The spelling of 13135807 in words is "thirteen million, one hundred thirty-five thousand, eight hundred seven".