12029789 has 2 divisors, whose sum is σ = 12029790. Its totient is φ = 12029788.

The previous prime is 12029779. The next prime is 12029819. The reversal of 12029789 is 98792021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10725625 + 1304164 = 3275^2 + 1142^2 .

It is a cyclic number.

It is not a de Polignac number, because 12029789 - 2¹² = 12025693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12029729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6014894 + 6014895.

It is an arithmetic number, because the mean of its divisors is an integer number (6014895).

Almost surely, 2^12029789 is an apocalyptic number.

It is an amenable number.

12029789 is a deficient number, since it is larger than the sum of its proper divisors (1).

12029789 is an equidigital number, since it uses as much as digits as its factorization.

12029789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 12029789 is about 3468.3986218427. The cubic root of 12029789 is about 229.1321358146.

The spelling of 12029789 in words is "twelve million, twenty-nine thousand, seven hundred eighty-nine".