1312412444 has 24 divisors (see below), whose sum is σ = 2779227360. Its totient is φ = 529376256.

The previous prime is 1312412411. The next prime is 1312412471. The reversal of 1312412444 is 4442142131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1378109 + ... + 1379060.

It is an arithmetic number, because the mean of its divisors is an integer number (115801140).

Almost surely, 2^1312412444 is an apocalyptic number.

1312412444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1312412444 is an abundant number, since it is smaller than the sum of its proper divisors (1466814916).

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

1312412444 is a wasteful number, since it uses less digits than its factorization.

1312412444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2757197 (or 2757195 counting only the distinct ones).

The product of its digits is 3072, while the sum is 26.

The square root of 1312412444 is about 36227.2334577180. The cubic root of 1312412444 is about 1094.8554381971.

Adding to 1312412444 its reverse (4442142131), we get a palindrome (5754554575).

The spelling of 1312412444 in words is "one billion, three hundred twelve million, four hundred twelve thousand, four hundred forty-four".