1296032507 has 24 divisors (see below), whose sum is σ = 1663228080. Its totient is φ = 998511360.

The previous prime is 1296032489. The next prime is 1296032537. The reversal of 1296032507 is 7052306921.

It is not a de Polignac number, because 1296032507 - 2⁸ = 1296032251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1296032537) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34463 + ... + 61479.

It is an arithmetic number, because the mean of its divisors is an integer number (69301170).

Almost surely, 2^1296032507 is an apocalyptic number.

1296032507 is a deficient number, since it is larger than the sum of its proper divisors (367195573).

1296032507 is a wasteful number, since it uses less digits than its factorization.

1296032507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27131 (or 27124 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 1296032507 is about 36000.4514832800. The cubic root of 1296032507 is about 1090.2814712310.

The spelling of 1296032507 in words is "one billion, two hundred ninety-six million, thirty-two thousand, five hundred seven".