1312640606 has 8 divisors (see below), whose sum is σ = 1969938360. Its totient is φ = 655994488.

The previous prime is 1312640599. The next prime is 1312640629. The reversal of 1312640606 is 6060462131.

It is a happy number.

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, 157841 + ... + 165948.

It is an arithmetic number, because the mean of its divisors is an integer number (246242295).

Almost surely, 2^1312640606 is an apocalyptic number.

1312640606 is a deficient number, since it is larger than the sum of its proper divisors (657297754).

1312640606 is a wasteful number, since it uses less digits than its factorization.

1312640606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325818.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 1312640606 is about 36230.3823606652. The cubic root of 1312640606 is about 1094.9188811421.

The spelling of 1312640606 in words is "one billion, three hundred twelve million, six hundred forty thousand, six hundred six".