29812293 has 20 divisors (see below), whose sum is σ = 50897440. Its totient is φ = 17035272.

The previous prime is 29812283. The next prime is 29812313. The reversal of 29812293 is 39221892.

It is not a de Polignac number, because 29812293 - 2⁶ = 29812229 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 (29812213) 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 19 ways as a sum of consecutive naturals, for example, 25723 + ... + 26856.

It is an arithmetic number, because the mean of its divisors is an integer number (2544872).

Almost surely, 2^29812293 is an apocalyptic number.

It is an amenable number.

29812293 is a deficient number, since it is larger than the sum of its proper divisors (21085147).

29812293 is an equidigital number, since it uses as much as digits as its factorization.

29812293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52598 (or 52589 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 29812293 is about 5460.0634611697. The cubic root of 29812293 is about 310.0738395039.

The spelling of 29812293 in words is "twenty-nine million, eight hundred twelve thousand, two hundred ninety-three".