29147913 has 12 divisors (see below), whose sum is σ = 42152500. Its totient is φ = 19408896.

The previous prime is 29147903. The next prime is 29147927. The reversal of 29147913 is 31974192.

It can be written as a sum of positive squares in 2 ways, for example, as 14768649 + 14379264 = 3843^2 + 3792^2 .

It is not a de Polignac number, because 29147913 - 2¹⁰ = 29146889 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 (29147903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9945 + ... + 12537.

Almost surely, 2^29147913 is an apocalyptic number.

It is an amenable number.

29147913 is a deficient number, since it is larger than the sum of its proper divisors (13004587).

29147913 is a wasteful number, since it uses less digits than its factorization.

29147913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3848 (or 3845 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 29147913 is about 5398.8807173339. The cubic root of 29147913 is about 307.7531367893.

The spelling of 29147913 in words is "twenty-nine million, one hundred forty-seven thousand, nine hundred thirteen".