1315544412 has 48 divisors (see below), whose sum is σ = 3777976832. Its totient is φ = 346956480.

The previous prime is 1315544389. The next prime is 1315544413. The reversal of 1315544412 is 2144455131.

It is a self number, because there is not a number n which added to its sum of digits gives 1315544412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315544413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 601264 + ... + 603447.

Almost surely, 2^1315544412 is an apocalyptic number.

1315544412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1315544412 is an abundant number, since it is smaller than the sum of its proper divisors (2462432420).

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

1315544412 is a wasteful number, since it uses less digits than its factorization.

1315544412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204738 (or 1204736 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 1315544412 is about 36270.4344060007. The cubic root of 1315544412 is about 1095.7256748119.

Adding to 1315544412 its reverse (2144455131), we get a palindrome (3459999543).

The spelling of 1315544412 in words is "one billion, three hundred fifteen million, five hundred forty-four thousand, four hundred twelve".