13135516 has 6 divisors (see below), whose sum is σ = 22987160. Its totient is φ = 6567756.

The previous prime is 13135477. The next prime is 13135519. The reversal of 13135516 is 61553131.

13135516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13135519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1641936 + ... + 1641943.

Almost surely, 2^13135516 is an apocalyptic number.

It is an amenable number.

13135516 is a deficient number, since it is larger than the sum of its proper divisors (9851644).

13135516 is a wasteful number, since it uses less digits than its factorization.

13135516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3283883 (or 3283881 counting only the distinct ones).

The product of its digits is 1350, while the sum is 25.

The square root of 13135516 is about 3624.2952418367. The cubic root of 13135516 is about 235.9476806361.

Adding to 13135516 its reverse (61553131), we get a palindrome (74688647).

The spelling of 13135516 in words is "thirteen million, one hundred thirty-five thousand, five hundred sixteen".