1296854797 has 8 divisors (see below), whose sum is σ = 1485297216. Its totient is φ = 1109206752.

The previous prime is 1296854791. The next prime is 1296854803. The reversal of 1296854797 is 7974586921.

It is an interprime number because it is at equal distance from previous prime (1296854791) and next prime (1296854803).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1296854797 is a prime.

It is a super-2 number, since 2×1296854797² = 3363664729003822418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1296854791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195088 + ... + 201625.

It is an arithmetic number, because the mean of its divisors is an integer number (185662152).

Almost surely, 2^1296854797 is an apocalyptic number.

It is an amenable number.

1296854797 is a deficient number, since it is larger than the sum of its proper divisors (188442419).

1296854797 is an equidigital number, since it uses as much as digits as its factorization.

1296854797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397187.

The product of its digits is 7620480, while the sum is 58.

The square root of 1296854797 is about 36011.8702235804. The cubic root of 1296854797 is about 1090.5120050607.

The spelling of 1296854797 in words is "one billion, two hundred ninety-six million, eight hundred fifty-four thousand, seven hundred ninety-seven".