612012647 has 2 divisors, whose sum is σ = 612012648. Its totient is φ = 612012646.

The previous prime is 612012637. The next prime is 612012649. The reversal of 612012647 is 746210216.

612012647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 612012647 - 2¹⁶ = 611947111 is a prime.

Together with 612012649, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612012649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306006323 + 306006324.

It is an arithmetic number, because the mean of its divisors is an integer number (306006324).

Almost surely, 2^612012647 is an apocalyptic number.

612012647 is a deficient number, since it is larger than the sum of its proper divisors (1).

612012647 is an equidigital number, since it uses as much as digits as its factorization.

612012647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 612012647 is about 24738.8893647229. The cubic root of 612012647 is about 849.0243231688.

The spelling of 612012647 in words is "six hundred twelve million, twelve thousand, six hundred forty-seven".