29807012 has 12 divisors (see below), whose sum is σ = 53961180. Its totient is φ = 14389536.

The previous prime is 29806999. The next prime is 29807017. The reversal of 29807012 is 21070892.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19412836 + 10394176 = 4406^2 + 3224^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (29807017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128363 + ... + 128594.

It is an arithmetic number, because the mean of its divisors is an integer number (4496765).

Almost surely, 2^29807012 is an apocalyptic number.

It is an amenable number.

29807012 is a deficient number, since it is larger than the sum of its proper divisors (24154168).

29807012 is a wasteful number, since it uses less digits than its factorization.

29807012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256990 (or 256988 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 29807012 is about 5459.5798373135. The cubic root of 29807012 is about 310.0555294213.

The spelling of 29807012 in words is "twenty-nine million, eight hundred seven thousand, twelve".