1296457932 has 96 divisors (see below), whose sum is σ = 3970068480. Its totient is φ = 319014720.

The previous prime is 1296457819. The next prime is 1296457933. The reversal of 1296457932 is 2397546921.

It is not an unprimeable number, because it can be changed into a prime (1296457933) 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 31 ways as a sum of consecutive naturals, for example, 19368 + ... + 54479.

It is an arithmetic number, because the mean of its divisors is an integer number (41354880).

Almost surely, 2^1296457932 is an apocalyptic number.

1296457932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1296457932 is an abundant number, since it is smaller than the sum of its proper divisors (2673610548).

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

1296457932 is a wasteful number, since it uses less digits than its factorization.

1296457932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73891 (or 73889 counting only the distinct ones).

The product of its digits is 816480, while the sum is 48.

The square root of 1296457932 is about 36006.3596049365. The cubic root of 1296457932 is about 1090.4007537979.

The spelling of 1296457932 in words is "one billion, two hundred ninety-six million, four hundred fifty-seven thousand, nine hundred thirty-two".