29812113 has 6 divisors (see below), whose sum is σ = 43061954. Its totient is φ = 19874736.

The previous prime is 29812109. The next prime is 29812127. The reversal of 29812113 is 31121892.

It can be written as a sum of positive squares in only one way, i.e., 24830289 + 4981824 = 4983^2 + 2232^2 .

It is not a de Polignac number, because 29812113 - 2² = 29812109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29812193) 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 in 5 ways as a sum of consecutive naturals, for example, 1656220 + ... + 1656237.

Almost surely, 2^29812113 is an apocalyptic number.

It is an amenable number.

29812113 is a deficient number, since it is larger than the sum of its proper divisors (13249841).

29812113 is a wasteful number, since it uses less digits than its factorization.

29812113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3312463 (or 3312460 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 29812113 is about 5460.0469778199. The cubic root of 29812113 is about 310.0732154504.

The spelling of 29812113 in words is "twenty-nine million, eight hundred twelve thousand, one hundred thirteen".