29918713 has 4 divisors (see below), whose sum is σ = 32638608. Its totient is φ = 27198820.

The previous prime is 29918683. The next prime is 29918717. The reversal of 29918713 is 31781992.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-29918713 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29918717) 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 3 ways as a sum of consecutive naturals, for example, 1359931 + ... + 1359952.

It is an arithmetic number, because the mean of its divisors is an integer number (8159652).

Almost surely, 2^29918713 is an apocalyptic number.

It is an amenable number.

29918713 is a deficient number, since it is larger than the sum of its proper divisors (2719895).

29918713 is a wasteful number, since it uses less digits than its factorization.

29918713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719894.

The product of its digits is 27216, while the sum is 40.

The square root of 29918713 is about 5469.8000877546. The cubic root of 29918713 is about 310.4423549531.

The spelling of 29918713 in words is "twenty-nine million, nine hundred eighteen thousand, seven hundred thirteen".