712687147 has 2 divisors, whose sum is σ = 712687148. Its totient is φ = 712687146.

The previous prime is 712687123. The next prime is 712687153. The reversal of 712687147 is 741786217.

It is a strong prime.

It is an emirp because it is prime and its reverse (741786217) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-712687147 is a prime.

It is not a weakly prime, because it can be changed into another prime (712687187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356343573 + 356343574.

It is an arithmetic number, because the mean of its divisors is an integer number (356343574).

Almost surely, 2^712687147 is an apocalyptic number.

712687147 is a deficient number, since it is larger than the sum of its proper divisors (1).

712687147 is an equidigital number, since it uses as much as digits as its factorization.

712687147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 131712, while the sum is 43.

The square root of 712687147 is about 26696.2009844097. The cubic root of 712687147 is about 893.2361866991.

The spelling of 712687147 in words is "seven hundred twelve million, six hundred eighty-seven thousand, one hundred forty-seven".