1296939908 has 24 divisors (see below), whose sum is σ = 2480375520. Its totient is φ = 588470720.

The previous prime is 1296939887. The next prime is 1296939923. The reversal of 1296939908 is 8099396921.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 866 + ... + 50937.

It is an arithmetic number, because the mean of its divisors is an integer number (103348980).

Almost surely, 2^1296939908 is an apocalyptic number.

It is an amenable number.

1296939908 is a deficient number, since it is larger than the sum of its proper divisors (1183435612).

1296939908 is a wasteful number, since it uses less digits than its factorization.

1296939908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52387 (or 52385 counting only the distinct ones).

The product of its (nonzero) digits is 1889568, while the sum is 56.

The square root of 1296939908 is about 36013.0519117722. The cubic root of 1296939908 is about 1090.5358608635.

The spelling of 1296939908 in words is "one billion, two hundred ninety-six million, nine hundred thirty-nine thousand, nine hundred eight".