1312411424 has 72 divisors (see below), whose sum is σ = 2762823168. Its totient is φ = 613544960.

The previous prime is 1312411403. The next prime is 1312411459. The reversal of 1312411424 is 4241142131.

It is a self number, because there is not a number n which added to its sum of digits gives 1312411424.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1765997 + ... + 1766739.

It is an arithmetic number, because the mean of its divisors is an integer number (38372544).

Almost surely, 2^1312411424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1312411424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1381411584).

1312411424 is an abundant number, since it is smaller than the sum of its proper divisors (1450411744).

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

1312411424 is a wasteful number, since it uses less digits than its factorization.

1312411424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978 (or 953 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

The square root of 1312411424 is about 36227.2193799083. The cubic root of 1312411424 is about 1094.8551545584.

Adding to 1312411424 its reverse (4241142131), we get a palindrome (5553553555).

The spelling of 1312411424 in words is "one billion, three hundred twelve million, four hundred eleven thousand, four hundred twenty-four".