1306888652 has 12 divisors (see below), whose sum is σ = 2288895000. Its totient is φ = 652918656.

The previous prime is 1306888633. The next prime is 1306888673. The reversal of 1306888652 is 2568886031.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1306888597 and 1306888606.

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, 125798 + ... + 135789.

It is an arithmetic number, because the mean of its divisors is an integer number (190741250).

Almost surely, 2^1306888652 is an apocalyptic number.

It is an amenable number.

1306888652 is a deficient number, since it is larger than the sum of its proper divisors (982006348).

1306888652 is a wasteful number, since it uses less digits than its factorization.

1306888652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262840 (or 262838 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 47.

The square root of 1306888652 is about 36150.9149538431. The cubic root of 1306888652 is about 1093.3172382207.

The spelling of 1306888652 in words is "one billion, three hundred six million, eight hundred eighty-eight thousand, six hundred fifty-two".