1312661422 has 8 divisors (see below), whose sum is σ = 1982032272. Its totient is φ = 651984000.

The previous prime is 1312661407. The next prime is 1312661437. The reversal of 1312661422 is 2241662131.

It is an interprime number because it is at equal distance from previous prime (1312661407) and next prime (1312661437).

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

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, 2172979 + ... + 2173582.

It is an arithmetic number, because the mean of its divisors is an integer number (247754034).

Almost surely, 2^1312661422 is an apocalyptic number.

1312661422 is a deficient number, since it is larger than the sum of its proper divisors (669370850).

1312661422 is a wasteful number, since it uses less digits than its factorization.

1312661422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4346714.

The product of its digits is 3456, while the sum is 28.

The square root of 1312661422 is about 36230.6696322329. The cubic root of 1312661422 is about 1094.9246688931.

The spelling of 1312661422 in words is "one billion, three hundred twelve million, six hundred sixty-one thousand, four hundred twenty-two".