1312322207 has 8 divisors (see below), whose sum is σ = 1501276800. Its totient is φ = 1123737624.

The previous prime is 1312322171. The next prime is 1312322243. The reversal of 1312322207 is 7022232131.

It is an interprime number because it is at equal distance from previous prime (1312322171) and next prime (1312322243).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1312322207 - 2⁸ = 1312321951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312322257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84857 + ... + 99122.

It is an arithmetic number, because the mean of its divisors is an integer number (187659600).

Almost surely, 2^1312322207 is an apocalyptic number.

1312322207 is a deficient number, since it is larger than the sum of its proper divisors (188954593).

1312322207 is a wasteful number, since it uses less digits than its factorization.

1312322207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185005.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 1312322207 is about 36225.9880058502. The cubic root of 1312322207 is about 1094.8303447810.

Adding to 1312322207 its reverse (7022232131), we get a palindrome (8334554338).

The spelling of 1312322207 in words is "one billion, three hundred twelve million, three hundred twenty-two thousand, two hundred seven".