13135477 has 2 divisors, whose sum is σ = 13135478. Its totient is φ = 13135476.

The previous prime is 13135469. The next prime is 13135519. The reversal of 13135477 is 77453131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6754801 + 6380676 = 2599^2 + 2526^2 .

It is a cyclic number.

It is not a de Polignac number, because 13135477 - 2³ = 13135469 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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6567738 + 6567739.

It is an arithmetic number, because the mean of its divisors is an integer number (6567739).

Almost surely, 2^13135477 is an apocalyptic number.

It is an amenable number.

13135477 is a deficient number, since it is larger than the sum of its proper divisors (1).

13135477 is an equidigital number, since it uses as much as digits as its factorization.

13135477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8820, while the sum is 31.

The square root of 13135477 is about 3624.2898614763. The cubic root of 13135477 is about 235.9474471224.

The spelling of 13135477 in words is "thirteen million, one hundred thirty-five thousand, four hundred seventy-seven".