1297813484 has 18 divisors (see below), whose sum is σ = 2478100212. Its totient is φ = 589806600.

The previous prime is 1297813477. The next prime is 1297813499. The reversal of 1297813484 is 4843187921.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 236249 + ... + 241679.

It is an arithmetic number, because the mean of its divisors is an integer number (137672234).

Almost surely, 2^1297813484 is an apocalyptic number.

It is an amenable number.

1297813484 is a deficient number, since it is larger than the sum of its proper divisors (1180286728).

1297813484 is an frugal number, since it uses more digits than its factorization.

1297813484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10877 (or 5444 counting only the distinct ones).

The product of its digits is 387072, while the sum is 47.

The square root of 1297813484 is about 36025.1784728404. The cubic root of 1297813484 is about 1090.7806555875.

It can be divided in two parts, 12978 and 13484, that added together give a palindrome (26462).

The spelling of 1297813484 in words is "one billion, two hundred ninety-seven million, eight hundred thirteen thousand, four hundred eighty-four".