1247716 has 12 divisors (see below), whose sum is σ = 2213932. Its totient is φ = 615168.

The previous prime is 1247699. The next prime is 1247737. The reversal of 1247716 is 6177421.

It can be written as a sum of positive squares in 2 ways, for example, as 518400 + 729316 = 720^2 + 854^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1845 + ... + 2428.

2^1247716 is an apocalyptic number.

It is an amenable number.

1247716 is a deficient number, since it is larger than the sum of its proper divisors (966216).

1247716 is a wasteful number, since it uses less digits than its factorization.

1247716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4350 (or 4348 counting only the distinct ones).

The product of its digits is 2352, while the sum is 28.

The square root of 1247716 is about 1117.0120858791. The cubic root of 1247716 is about 107.6560847825.

The spelling of 1247716 in words is "one million, two hundred forty-seven thousand, seven hundred sixteen".