1312660630 has 16 divisors (see below), whose sum is σ = 2363216544. Its totient is φ = 524969280.

The previous prime is 1312660607. The next prime is 1312660631. The reversal of 1312660630 is 360662131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312660631) 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, 80119 + ... + 95101.

It is an arithmetic number, because the mean of its divisors is an integer number (147701034).

Almost surely, 2^1312660630 is an apocalyptic number.

1312660630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312660630 is a deficient number, since it is larger than the sum of its proper divisors (1050555914).

1312660630 is a wasteful number, since it uses less digits than its factorization.

1312660630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23751.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 1312660630 is about 36230.6587022649. The cubic root of 1312660630 is about 1094.9244486839.

The spelling of 1312660630 in words is "one billion, three hundred twelve million, six hundred sixty thousand, six hundred thirty".