2612647 has 2 divisors, whose sum is σ = 2612648. Its totient is φ = 2612646.

The previous prime is 2612549. The next prime is 2612651. The reversal of 2612647 is 7462162.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2612647 is a prime.

2612647 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2612677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1306323 + 1306324.

It is an arithmetic number, because the mean of its divisors is an integer number (1306324).

2^2612647 is an apocalyptic number.

2612647 is a deficient number, since it is larger than the sum of its proper divisors (1).

2612647 is an equidigital number, since it uses as much as digits as its factorization.

2612647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 28.

The square root of 2612647 is about 1616.3684604693. The cubic root of 2612647 is about 137.7294812559.

The spelling of 2612647 in words is "two million, six hundred twelve thousand, six hundred forty-seven".