1297846213 has 12 divisors (see below), whose sum is σ = 1328164992. Its totient is φ = 1268141160.

The previous prime is 1297846169. The next prime is 1297846219. The reversal of 1297846213 is 3126487921.

It is a de Polignac number, because none of the positive numbers 2^k-1297846213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1297846213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1297846219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 586956 + ... + 589162.

It is an arithmetic number, because the mean of its divisors is an integer number (110680416).

Almost surely, 2^1297846213 is an apocalyptic number.

It is an amenable number.

1297846213 is a deficient number, since it is larger than the sum of its proper divisors (30318779).

1297846213 is an equidigital number, since it uses as much as digits as its factorization.

1297846213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2472 (or 2405 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 1297846213 is about 36025.6327217164. The cubic root of 1297846213 is about 1090.7898248198.

The spelling of 1297846213 in words is "one billion, two hundred ninety-seven million, eight hundred forty-six thousand, two hundred thirteen".