1296508722 has 16 divisors (see below), whose sum is σ = 2676663552. Its totient is φ = 418228560.

The previous prime is 1296508687. The next prime is 1296508727. The reversal of 1296508722 is 2278056921.

It is not an unprimeable number, because it can be changed into a prime (1296508727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3485053 + ... + 3485424.

It is an arithmetic number, because the mean of its divisors is an integer number (167291472).

Almost surely, 2^1296508722 is an apocalyptic number.

1296508722 is an abundant number, since it is smaller than the sum of its proper divisors (1380154830).

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

1296508722 is a wasteful number, since it uses less digits than its factorization.

1296508722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6970513.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 1296508722 is about 36007.0648901018. The cubic root of 1296508722 is about 1090.4149927819.

The spelling of 1296508722 in words is "one billion, two hundred ninety-six million, five hundred eight thousand, seven hundred twenty-two".