1312234004 has 12 divisors (see below), whose sum is σ = 2302139028. Its totient is φ = 654480000.

The previous prime is 1312233997. The next prime is 1312234037. The reversal of 1312234004 is 4004322131.

It can be written as a sum of positive squares in 2 ways, for example, as 610090000 + 702144004 = 24700^2 + 26498^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407447 + ... + 410654.

It is an arithmetic number, because the mean of its divisors is an integer number (191844919).

Almost surely, 2^1312234004 is an apocalyptic number.

It is an amenable number.

1312234004 is a deficient number, since it is larger than the sum of its proper divisors (989905024).

1312234004 is a wasteful number, since it uses less digits than its factorization.

1312234004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818506 (or 818504 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1312234004 is about 36224.7705858850. The cubic root of 1312234004 is about 1094.8058158749.

Adding to 1312234004 its reverse (4004322131), we get a palindrome (5316556135).

The spelling of 1312234004 in words is "one billion, three hundred twelve million, two hundred thirty-four thousand, four".