29969613 has 12 divisors (see below), whose sum is σ = 43343040. Its totient is φ = 19955016.

The previous prime is 29969609. The next prime is 29969617. The reversal of 29969613 is 31696992.

It is a happy number.

29969613 is a `hidden beast` number, since 29 + 9 + 6 + 9 + 613 = 666.

It is an interprime number because it is at equal distance from previous prime (29969609) and next prime (29969617).

It is not a de Polignac number, because 29969613 - 2² = 29969609 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29969617) 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 11 ways as a sum of consecutive naturals, for example, 8418 + ... + 11436.

It is an arithmetic number, because the mean of its divisors is an integer number (3611920).

Almost surely, 2^29969613 is an apocalyptic number.

It is an amenable number.

29969613 is a deficient number, since it is larger than the sum of its proper divisors (13373427).

29969613 is a wasteful number, since it uses less digits than its factorization.

29969613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4128 (or 4125 counting only the distinct ones).

The product of its digits is 157464, while the sum is 45.

The square root of 29969613 is about 5474.4509313720. The cubic root of 29969613 is about 310.6183046273.

The spelling of 29969613 in words is "twenty-nine million, nine hundred sixty-nine thousand, six hundred thirteen".