29912 has 8 divisors (see below), whose sum is σ = 56100. Its totient is φ = 14952.
The previous prime is 29881. The next prime is 29917. The reversal of 29912 is 21992.
It is a tau number, because it is divible by the number of its divisors (8).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29917) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1862 + ... + 1877.
229912 is an apocalyptic number.
It is an amenable number.
29912 is a deficient number, since it is larger than the sum of its proper divisors (26188).
29912 is a wasteful number, since it uses less digits than its factorization.
29912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3745 (or 3741 counting only the distinct ones).
The product of its digits is 324, while the sum is 23.
The square root of 29912 is about 172.9508600730. The cubic root of 29912 is about 31.0419134754.
The spelling of 29912 in words is "twenty-nine thousand, nine hundred twelve".
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