1296740904 has 32 divisors (see below), whose sum is σ = 3310830720. Its totient is φ = 423049856.

The previous prime is 1296740903. The next prime is 1296740917. The reversal of 1296740904 is 4090476921.

It is not an unprimeable number, because it can be changed into a prime (1296740903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 573669 + ... + 575924.

It is an arithmetic number, because the mean of its divisors is an integer number (103463460).

Almost surely, 2^1296740904 is an apocalyptic number.

It is an amenable number.

1296740904 is an abundant number, since it is smaller than the sum of its proper divisors (2014089816).

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

1296740904 is a wasteful number, since it uses less digits than its factorization.

1296740904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149649 (or 1149645 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 1296740904 is about 36010.2888630458. The cubic root of 1296740904 is about 1090.4800803045.

The spelling of 1296740904 in words is "one billion, two hundred ninety-six million, seven hundred forty thousand, nine hundred four".