1297634676 has 48 divisors (see below), whose sum is σ = 3270531264. Its totient is φ = 398071296.

The previous prime is 1297634671. The next prime is 1297634711. The reversal of 1297634676 is 6764367921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1297634671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40231 + ... + 64913.

It is an arithmetic number, because the mean of its divisors is an integer number (68136068).

Almost surely, 2^1297634676 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1297634676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1635265632).

1297634676 is an abundant number, since it is smaller than the sum of its proper divisors (1972896588).

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

1297634676 is a wasteful number, since it uses less digits than its factorization.

1297634676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25040 (or 25038 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 51.

The square root of 1297634676 is about 36022.6966786219. The cubic root of 1297634676 is about 1090.7305586956.

The spelling of 1297634676 in words is "one billion, two hundred ninety-seven million, six hundred thirty-four thousand, six hundred seventy-six".