2013122635 has 16 divisors (see below), whose sum is σ = 2468822400. Its totient is φ = 1575490176.

The previous prime is 2013122621. The next prime is 2013122653. The reversal of 2013122635 is 5362213102.

It is a cyclic number.

It is not a de Polignac number, because 2013122635 - 2⁹ = 2013122123 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19677 + ... + 66433.

It is an arithmetic number, because the mean of its divisors is an integer number (154301400).

Almost surely, 2^2013122635 is an apocalyptic number.

2013122635 is a deficient number, since it is larger than the sum of its proper divisors (455699765).

2013122635 is a wasteful number, since it uses less digits than its factorization.

2013122635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46950.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 2013122635 is about 44867.8351940452. The cubic root of 2013122635 is about 1262.6706256990.

Adding to 2013122635 its reverse (5362213102), we get a palindrome (7375335737).

The spelling of 2013122635 in words is "two billion, thirteen million, one hundred twenty-two thousand, six hundred thirty-five".