1264647714 has 96 divisors (see below), whose sum is σ = 3099176640. Its totient is φ = 341637120.

The previous prime is 1264647661. The next prime is 1264647719. The reversal of 1264647714 is 4177464621.

It is not an unprimeable number, because it can be changed into a prime (1264647719) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 231802 + ... + 237194.

It is an arithmetic number, because the mean of its divisors is an integer number (32283090).

Almost surely, 2^1264647714 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1264647714, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1549588320).

1264647714 is an abundant number, since it is smaller than the sum of its proper divisors (1834528926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1264647714 is a wasteful number, since it uses less digits than its factorization.

1264647714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5456 (or 5445 counting only the distinct ones).

The product of its digits is 225792, while the sum is 42.

The square root of 1264647714 is about 35561.8856924095. The cubic root of 1264647714 is about 1081.4086881975.

The spelling of 1264647714 in words is "one billion, two hundred sixty-four million, six hundred forty-seven thousand, seven hundred fourteen".