1328207693 has 8 divisors (see below), whose sum is σ = 1359674976. Its totient is φ = 1296766800.

The previous prime is 1328207681. The next prime is 1328207701. The reversal of 1328207693 is 3967028231.

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 1328207693 - 2⁴ = 1328207677 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1328207693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328207623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126578 + ... + 136668.

It is an arithmetic number, because the mean of its divisors is an integer number (169959372).

Almost surely, 2^1328207693 is an apocalyptic number.

It is an amenable number.

1328207693 is a deficient number, since it is larger than the sum of its proper divisors (31467283).

1328207693 is a wasteful number, since it uses less digits than its factorization.

1328207693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13195.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 1328207693 is about 36444.5838637238. The cubic root of 1328207693 is about 1099.2302308703.

The spelling of 1328207693 in words is "one billion, three hundred twenty-eight million, two hundred seven thousand, six hundred ninety-three".