9912829 has 2 divisors, whose sum is σ = 9912830. Its totient is φ = 9912828.

The previous prime is 9912803. The next prime is 9912869. The reversal of 9912829 is 9282199.

It is an a-pointer prime, because the next prime (9912869) can be obtained adding 9912829 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8543929 + 1368900 = 2923^2 + 1170^2 .

It is a cyclic number.

It is not a de Polignac number, because 9912829 - 2¹⁵ = 9880061 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 9912791 and 9912800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9912869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4956414 + 4956415.

It is an arithmetic number, because the mean of its divisors is an integer number (4956415).

Almost surely, 2^9912829 is an apocalyptic number.

It is an amenable number.

9912829 is a deficient number, since it is larger than the sum of its proper divisors (1).

9912829 is an equidigital number, since it uses as much as digits as its factorization.

9912829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 40.

The square root of 9912829 is about 3148.4645464099. The cubic root of 9912829 is about 214.8156270455.

The spelling of 9912829 in words is "nine million, nine hundred twelve thousand, eight hundred twenty-nine".