8001247 has 2 divisors, whose sum is σ = 8001248. Its totient is φ = 8001246.

The previous prime is 8001241. The next prime is 8001269. The reversal of 8001247 is 7421008.

It is an a-pointer prime, because the next prime (8001269) can be obtained adding 8001247 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8001247 - 2¹⁵ = 7968479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8001241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4000623 + 4000624.

It is an arithmetic number, because the mean of its divisors is an integer number (4000624).

Almost surely, 2^8001247 is an apocalyptic number.

8001247 is a deficient number, since it is larger than the sum of its proper divisors (1).

8001247 is an equidigital number, since it uses as much as digits as its factorization.

8001247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 8001247 is about 2828.6475566956. The cubic root of 8001247 is about 200.0103911268.

The spelling of 8001247 in words is "eight million, one thousand, two hundred forty-seven".