1303686612 has 18 divisors (see below), whose sum is σ = 3295430138. Its totient is φ = 434562192.

The previous prime is 1303686607. The next prime is 1303686641. The reversal of 1303686612 is 2166863031.

1303686612 is a `hidden beast` number, since 1 + 3 + 0 + 36 + 8 + 6 + 612 = 666.

It can be written as a sum of positive squares in only one way, i.e., 706177476 + 597509136 = 26574^2 + 24444^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 36213517 = 1303686612 / (1 + 3 + 0 + 3 + 6 + 8 + 6 + 6 + 1 + 2).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 18106723 + ... + 18106794.

Almost surely, 2^1303686612 is an apocalyptic number.

1303686612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1303686612 is an abundant number, since it is smaller than the sum of its proper divisors (1991743526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1303686612 is a wasteful number, since it uses less digits than its factorization.

1303686612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36213527 (or 36213522 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 1303686612 is about 36106.6006707915. The cubic root of 1303686612 is about 1092.4235868267.

The spelling of 1303686612 in words is "one billion, three hundred three million, six hundred eighty-six thousand, six hundred twelve".