29929213 has 2 divisors, whose sum is σ = 29929214. Its totient is φ = 29929212.

The previous prime is 29929181. The next prime is 29929241. The reversal of 29929213 is 31292992.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17665209 + 12264004 = 4203^2 + 3502^2 .

It is a cyclic number.

It is not a de Polignac number, because 29929213 - 2⁵ = 29929181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29929243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14964606 + 14964607.

It is an arithmetic number, because the mean of its divisors is an integer number (14964607).

Almost surely, 2^29929213 is an apocalyptic number.

It is an amenable number.

29929213 is a deficient number, since it is larger than the sum of its proper divisors (1).

29929213 is an equidigital number, since it uses as much as digits as its factorization.

29929213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496, while the sum is 37.

The square root of 29929213 is about 5470.7598192573. The cubic root of 29929213 is about 310.4786673827.

The spelling of 29929213 in words is "twenty-nine million, nine hundred twenty-nine thousand, two hundred thirteen".