29912812 has 6 divisors (see below), whose sum is σ = 52347428. Its totient is φ = 14956404.

The previous prime is 29912803. The next prime is 29912819. The reversal of 29912812 is 21821992.

It is not an unprimeable number, because it can be changed into a prime (29912819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3739098 + ... + 3739105.

Almost surely, 2^29912812 is an apocalyptic number.

It is an amenable number.

29912812 is a deficient number, since it is larger than the sum of its proper divisors (22434616).

29912812 is a wasteful number, since it uses less digits than its factorization.

29912812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7478207 (or 7478205 counting only the distinct ones).

The product of its digits is 5184, while the sum is 34.

The square root of 29912812 is about 5469.2606447307. The cubic root of 29912812 is about 310.4219436386.

The spelling of 29912812 in words is "twenty-nine million, nine hundred twelve thousand, eight hundred twelve".