29701213 has 4 divisors (see below), whose sum is σ = 29900700. Its totient is φ = 29501728.

The previous prime is 29701201. The next prime is 29701219. The reversal of 29701213 is 31210792.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4571044 + 25130169 = 2138^2 + 5013^2 .

It is a cyclic number.

It is not a de Polignac number, because 29701213 - 2⁵ = 29701181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29701219) 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 in 3 ways as a sum of consecutive naturals, for example, 99520 + ... + 99817.

It is an arithmetic number, because the mean of its divisors is an integer number (7475175).

Almost surely, 2^29701213 is an apocalyptic number.

It is an amenable number.

29701213 is a deficient number, since it is larger than the sum of its proper divisors (199487).

29701213 is a wasteful number, since it uses less digits than its factorization.

29701213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199486.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 29701213 is about 5449.8819253265. The cubic root of 29701213 is about 309.6882505922.

It can be divided in two parts, 297012 and 13, that added together give a square (297025 = 545²).

The spelling of 29701213 in words is "twenty-nine million, seven hundred one thousand, two hundred thirteen".