1312047362 has 4 divisors (see below), whose sum is σ = 1968071046. Its totient is φ = 656023680.

The previous prime is 1312047361. The next prime is 1312047367. The reversal of 1312047362 is 2637402131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1108157521 + 203889841 = 33289^2 + 14279^2 .

It is not an unprimeable number, because it can be changed into a prime (1312047361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328011839 + ... + 328011842.

Almost surely, 2^1312047362 is an apocalyptic number.

1312047362 is a deficient number, since it is larger than the sum of its proper divisors (656023684).

1312047362 is an equidigital number, since it uses as much as digits as its factorization.

1312047362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656023683.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 1312047362 is about 36222.1943288918. The cubic root of 1312047362 is about 1094.7539078476.

Adding to 1312047362 its reverse (2637402131), we get a palindrome (3949449493).

The spelling of 1312047362 in words is "one billion, three hundred twelve million, forty-seven thousand, three hundred sixty-two".