8712149 has 2 divisors, whose sum is σ = 8712150. Its totient is φ = 8712148.

The previous prime is 8712133. The next prime is 8712157. The reversal of 8712149 is 9412178.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7524049 + 1188100 = 2743^2 + 1090^2 .

It is a cyclic number.

It is not a de Polignac number, because 8712149 - 2⁴ = 8712133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8712169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4356074 + 4356075.

It is an arithmetic number, because the mean of its divisors is an integer number (4356075).

Almost surely, 2^8712149 is an apocalyptic number.

It is an amenable number.

8712149 is a deficient number, since it is larger than the sum of its proper divisors (1).

8712149 is an equidigital number, since it uses as much as digits as its factorization.

8712149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 32.

The square root of 8712149 is about 2951.6349706561. The cubic root of 8712149 is about 205.7667026141.

The spelling of 8712149 in words is "eight million, seven hundred twelve thousand, one hundred forty-nine".