1312474849 has 24 divisors (see below), whose sum is σ = 1543104000. Its totient is φ = 1113013440.

The previous prime is 1312474847. The next prime is 1312474927. The reversal of 1312474849 is 9484742131.

It is not a de Polignac number, because 1312474849 - 2¹ = 1312474847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312474843) 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, 2739792 + ... + 2740270.

It is an arithmetic number, because the mean of its divisors is an integer number (64296000).

Almost surely, 2^1312474849 is an apocalyptic number.

It is an amenable number.

1312474849 is a deficient number, since it is larger than the sum of its proper divisors (230629151).

1312474849 is a wasteful number, since it uses less digits than its factorization.

1312474849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973 (or 966 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 1312474849 is about 36228.0947470330. The cubic root of 1312474849 is about 1094.8727913218.

The spelling of 1312474849 in words is "one billion, three hundred twelve million, four hundred seventy-four thousand, eight hundred forty-nine".