1313004212 has 24 divisors (see below), whose sum is σ = 2487088296. Its totient is φ = 602921088.

The previous prime is 1313004179. The next prime is 1313004221. The reversal of 1313004212 is 2124003131.

It can be written as a sum of positive squares in 4 ways, for example, as 809630116 + 503374096 = 28454^2 + 22436^2 .

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, 53843 + ... + 74330.

It is an arithmetic number, because the mean of its divisors is an integer number (103628679).

Almost surely, 2^1313004212 is an apocalyptic number.

It is an amenable number.

1313004212 is a deficient number, since it is larger than the sum of its proper divisors (1174084084).

1313004212 is a wasteful number, since it uses less digits than its factorization.

1313004212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128387 (or 128385 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1313004212 is about 36235.3999839936. The cubic root of 1313004212 is about 1095.0199705844.

Adding to 1313004212 its reverse (2124003131), we get a palindrome (3437007343).

The spelling of 1313004212 in words is "one billion, three hundred thirteen million, four thousand, two hundred twelve".