29986213 has 2 divisors, whose sum is σ = 29986214. Its totient is φ = 29986212.

The previous prime is 29986189. The next prime is 29986223. The reversal of 29986213 is 31268992.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29181604 + 804609 = 5402^2 + 897^2 .

It is a cyclic number.

It is not a de Polignac number, because 29986213 - 2⁹ = 29985701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29986223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14993106 + 14993107.

It is an arithmetic number, because the mean of its divisors is an integer number (14993107).

Almost surely, 2^29986213 is an apocalyptic number.

It is an amenable number.

29986213 is a deficient number, since it is larger than the sum of its proper divisors (1).

29986213 is an equidigital number, since it uses as much as digits as its factorization.

29986213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 40.

The square root of 29986213 is about 5475.9668552686. The cubic root of 29986213 is about 310.6756439523.

The spelling of 29986213 in words is "twenty-nine million, nine hundred eighty-six thousand, two hundred thirteen".