1296885734 has 8 divisors (see below), whose sum is σ = 1971977160. Its totient is φ = 639560016.

The previous prime is 1296885691. The next prime is 1296885767. The reversal of 1296885734 is 4375886921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4441244 + ... + 4441535.

It is an arithmetic number, because the mean of its divisors is an integer number (246497145).

Almost surely, 2^1296885734 is an apocalyptic number.

1296885734 is a deficient number, since it is larger than the sum of its proper divisors (675091426).

1296885734 is an equidigital number, since it uses as much as digits as its factorization.

1296885734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8882854.

The product of its digits is 2903040, while the sum is 53.

The square root of 1296885734 is about 36012.2997599431. The cubic root of 1296885734 is about 1090.5206765280.

The spelling of 1296885734 in words is "one billion, two hundred ninety-six million, eight hundred eighty-five thousand, seven hundred thirty-four".