1297399348 has 24 divisors (see below), whose sum is σ = 2595902400. Its totient is φ = 555791808.

The previous prime is 1297399331. The next prime is 1297399351. The reversal of 1297399348 is 8439937921.

It is a congruent number.

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, 67923 + ... + 84901.

It is an arithmetic number, because the mean of its divisors is an integer number (108162600).

Almost surely, 2^1297399348 is an apocalyptic number.

It is an amenable number.

1297399348 is an abundant number, since it is smaller than the sum of its proper divisors (1298503052).

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

1297399348 is a wasteful number, since it uses less digits than its factorization.

1297399348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19719 (or 19717 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 55.

The square root of 1297399348 is about 36019.4301454090. The cubic root of 1297399348 is about 1090.6646195003.

The spelling of 1297399348 in words is "one billion, two hundred ninety-seven million, three hundred ninety-nine thousand, three hundred forty-eight".