29180012 has 6 divisors (see below), whose sum is σ = 51065028. Its totient is φ = 14590004.

The previous prime is 29179999. The next prime is 29180017. The reversal of 29180012 is 21008192.

It is a self number, because there is not a number n which added to its sum of digits gives 29180012.

It is not an unprimeable number, because it can be changed into a prime (29180017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3647498 + ... + 3647505.

It is an arithmetic number, because the mean of its divisors is an integer number (8510838).

Almost surely, 2^29180012 is an apocalyptic number.

It is an amenable number.

29180012 is a deficient number, since it is larger than the sum of its proper divisors (21885016).

29180012 is a wasteful number, since it uses less digits than its factorization.

29180012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7295007 (or 7295005 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 29180012 is about 5401.8526451580. The cubic root of 29180012 is about 307.8660659027.

The spelling of 29180012 in words is "twenty-nine million, one hundred eighty thousand, twelve".