1306007632 has 20 divisors (see below), whose sum is σ = 2531968276. Its totient is φ = 652596480.

The previous prime is 1306007629. The next prime is 1306007641. The reversal of 1306007632 is 2367006031.

It can be written as a sum of positive squares in 2 ways, for example, as 400960576 + 905047056 = 20024^2 + 30084^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1306007632.

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, 1882 + ... + 51142.

Almost surely, 2^1306007632 is an apocalyptic number.

It is an amenable number.

1306007632 is a deficient number, since it is larger than the sum of its proper divisors (1225960644).

1306007632 is a wasteful number, since it uses less digits than its factorization.

1306007632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50926 (or 50920 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 1306007632 is about 36138.7275924319. The cubic root of 1306007632 is about 1093.0715016812.

The spelling of 1306007632 in words is "one billion, three hundred six million, seven thousand, six hundred thirty-two".