613647212 has 12 divisors (see below), whose sum is σ = 1074522960. Its totient is φ = 306640656.

The previous prime is 613647211. The next prime is 613647227. The reversal of 613647212 is 212746316.

It is not an unprimeable number, because it can be changed into a prime (613647211) 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, 38048 + ... + 51719.

It is an arithmetic number, because the mean of its divisors is an integer number (89543580).

Almost surely, 2^613647212 is an apocalyptic number.

It is an amenable number.

613647212 is a deficient number, since it is larger than the sum of its proper divisors (460875748).

613647212 is a wasteful number, since it uses less digits than its factorization.

613647212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91480 (or 91478 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 613647212 is about 24771.9036813887. The cubic root of 613647212 is about 849.7795100532.

The spelling of 613647212 in words is "six hundred thirteen million, six hundred forty-seven thousand, two hundred twelve".