1296514947 has 16 divisors (see below), whose sum is σ = 2127614720. Its totient is φ = 683875872.

The previous prime is 1296514931. The next prime is 1296514963. The reversal of 1296514947 is 7494156921.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1296514931) and next prime (1296514963).

It is not a de Polignac number, because 1296514947 - 2⁴ = 1296514931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1296514896 and 1296514905.

It is not an unprimeable number, because it can be changed into a prime (1296514907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2374297 + ... + 2374842.

It is an arithmetic number, because the mean of its divisors is an integer number (132975920).

Almost surely, 2^1296514947 is an apocalyptic number.

1296514947 is a deficient number, since it is larger than the sum of its proper divisors (831099773).

1296514947 is a wasteful number, since it uses less digits than its factorization.

1296514947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4749162.

The product of its digits is 544320, while the sum is 48.

The square root of 1296514947 is about 36007.1513313675. The cubic root of 1296514947 is about 1090.4167379359.

The spelling of 1296514947 in words is "one billion, two hundred ninety-six million, five hundred fourteen thousand, nine hundred forty-seven".