1296008712 has 48 divisors (see below), whose sum is σ = 3558120540. Its totient is φ = 426083328.

The previous prime is 1296008699. The next prime is 1296008737. The reversal of 1296008712 is 2178006921.

It can be written as a sum of positive squares in 2 ways, for example, as 1244255076 + 51753636 = 35274^2 + 7194^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118033 + ... + 128544.

Almost surely, 2^1296008712 is an apocalyptic number.

1296008712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1296008712 is an abundant number, since it is smaller than the sum of its proper divisors (2262111828).

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

1296008712 is a wasteful number, since it uses less digits than its factorization.

1296008712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246662 (or 246655 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 1296008712 is about 36000.1209997967. The cubic root of 1296008712 is about 1090.2747987115.

The spelling of 1296008712 in words is "one billion, two hundred ninety-six million, eight thousand, seven hundred twelve".