29896813 has 2 divisors, whose sum is σ = 29896814. Its totient is φ = 29896812.

The previous prime is 29896799. The next prime is 29896817. The reversal of 29896813 is 31869892.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29735209 + 161604 = 5453^2 + 402^2 .

It is a cyclic number.

It is not a de Polignac number, because 29896813 - 2⁵ = 29896781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29896817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14948406 + 14948407.

It is an arithmetic number, because the mean of its divisors is an integer number (14948407).

Almost surely, 2^29896813 is an apocalyptic number.

It is an amenable number.

29896813 is a deficient number, since it is larger than the sum of its proper divisors (1).

29896813 is an equidigital number, since it uses as much as digits as its factorization.

29896813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 46.

The square root of 29896813 is about 5467.7978199637. The cubic root of 29896813 is about 310.3665902515.

The spelling of 29896813 in words is "twenty-nine million, eight hundred ninety-six thousand, eight hundred thirteen".