1296146726 has 12 divisors (see below), whose sum is σ = 2261643948. Its totient is φ = 555491412.

The previous prime is 1296146723. The next prime is 1296146729. The reversal of 1296146726 is 6276416921.

It is an interprime number because it is at equal distance from previous prime (1296146723) and next prime (1296146729).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1296146723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6612896 + ... + 6613091.

It is an arithmetic number, because the mean of its divisors is an integer number (188470329).

Almost surely, 2^1296146726 is an apocalyptic number.

1296146726 is a deficient number, since it is larger than the sum of its proper divisors (965497222).

1296146726 is a wasteful number, since it uses less digits than its factorization.

1296146726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13226003 (or 13225996 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 1296146726 is about 36002.0378034355. The cubic root of 1296146726 is about 1090.3134990288.

The spelling of 1296146726 in words is "one billion, two hundred ninety-six million, one hundred forty-six thousand, seven hundred twenty-six".