29906613 has 24 divisors (see below), whose sum is σ = 47342880. Its totient is φ = 18041760.

The previous prime is 29906609. The next prime is 29906641. The reversal of 29906613 is 31660992.

It is not a de Polignac number, because 29906613 - 2² = 29906609 is a prime.

It is a super-2 number, since 2×29906613² = 1788811002263538, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29906603) 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 23 ways as a sum of consecutive naturals, for example, 26070 + ... + 27192.

It is an arithmetic number, because the mean of its divisors is an integer number (1972620).

Almost surely, 2^29906613 is an apocalyptic number.

It is an amenable number.

29906613 is a deficient number, since it is larger than the sum of its proper divisors (17436267).

29906613 is a wasteful number, since it uses less digits than its factorization.

29906613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409 (or 1406 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 29906613 is about 5468.6939025694. The cubic root of 29906613 is about 310.4004986629.

The spelling of 29906613 in words is "twenty-nine million, nine hundred six thousand, six hundred thirteen".