1263452716 has 12 divisors (see below), whose sum is σ = 2341103688. Its totient is φ = 594565952.

The previous prime is 1263452711. The next prime is 1263452719. The reversal of 1263452716 is 6172543621.

It is not an unprimeable number, because it can be changed into a prime (1263452711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9290026 + ... + 9290161.

It is an arithmetic number, because the mean of its divisors is an integer number (195091974).

Almost surely, 2^1263452716 is an apocalyptic number.

It is an amenable number.

1263452716 is a deficient number, since it is larger than the sum of its proper divisors (1077650972).

1263452716 is a wasteful number, since it uses less digits than its factorization.

1263452716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18580208 (or 18580206 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 1263452716 is about 35545.0800533632. The cubic root of 1263452716 is about 1081.0679639374.

The spelling of 1263452716 in words is "one billion, two hundred sixty-three million, four hundred fifty-two thousand, seven hundred sixteen".