29812117 has 8 divisors (see below), whose sum is σ = 31247424. Its totient is φ = 28388448.

The previous prime is 29812109. The next prime is 29812127. The reversal of 29812117 is 71121892.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29812117 - 2³ = 29812109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29812127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2578 + ... + 8140.

It is an arithmetic number, because the mean of its divisors is an integer number (3905928).

Almost surely, 2^29812117 is an apocalyptic number.

It is an amenable number.

29812117 is a deficient number, since it is larger than the sum of its proper divisors (1435307).

29812117 is a wasteful number, since it uses less digits than its factorization.

29812117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5819.

The product of its digits is 2016, while the sum is 31.

The square root of 29812117 is about 5460.0473441171. The cubic root of 29812117 is about 310.0732293183.

It can be divided in two parts, 29812 and 117, that added together give a square (29929 = 173²).

The spelling of 29812117 in words is "twenty-nine million, eight hundred twelve thousand, one hundred seventeen".