1297358413 has 24 divisors (see below), whose sum is σ = 1468794600. Its totient is φ = 1143926784.

The previous prime is 1297358407. The next prime is 1297358479. The reversal of 1297358413 is 3148537921.

It can be written as a sum of positive squares in 12 ways, for example, as 297976644 + 999381769 = 17262^2 + 31613^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1297358413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1297358413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1297358483) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 474033 + ... + 476761.

It is an arithmetic number, because the mean of its divisors is an integer number (61199775).

Almost surely, 2^1297358413 is an apocalyptic number.

1297358413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1297358413 is a deficient number, since it is larger than the sum of its proper divisors (171436187).

1297358413 is a wasteful number, since it uses less digits than its factorization.

1297358413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2881 (or 2868 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The square root of 1297358413 is about 36018.8619059514. The cubic root of 1297358413 is about 1090.6531486488.

The spelling of 1297358413 in words is "one billion, two hundred ninety-seven million, three hundred fifty-eight thousand, four hundred thirteen".