1306812334 has 4 divisors (see below), whose sum is σ = 1960218504. Its totient is φ = 653406166.

The previous prime is 1306812323. The next prime is 1306812337. The reversal of 1306812334 is 4332186031.

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

It is a junction number, because it is equal to n+sod(n) for n = 1306812296 and 1306812305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306812337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326703082 + ... + 326703085.

It is an arithmetic number, because the mean of its divisors is an integer number (490054626).

Almost surely, 2^1306812334 is an apocalyptic number.

1306812334 is a deficient number, since it is larger than the sum of its proper divisors (653406170).

1306812334 is an equidigital number, since it uses as much as digits as its factorization.

1306812334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653406169.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 1306812334 is about 36149.8593911512. The cubic root of 1306812334 is about 1093.2959557625.

Adding to 1306812334 its reverse (4332186031), we get a palindrome (5638998365).

The spelling of 1306812334 in words is "one billion, three hundred six million, eight hundred twelve thousand, three hundred thirty-four".