1306836836 has 12 divisors (see below), whose sum is σ = 2291340912. Its totient is φ = 652168008.

The previous prime is 1306836823. The next prime is 1306836901. The reversal of 1306836836 is 6386386031.

It is a super-3 number, since 3×1306836836³ (a number of 28 digits) contains 333 as substring.

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, 310250 + ... + 314433.

It is an arithmetic number, because the mean of its divisors is an integer number (190945076).

Almost surely, 2^1306836836 is an apocalyptic number.

It is an amenable number.

1306836836 is a deficient number, since it is larger than the sum of its proper divisors (984504076).

1306836836 is a wasteful number, since it uses less digits than its factorization.

1306836836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625210 (or 625208 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 44.

The square root of 1306836836 is about 36150.1982843801. The cubic root of 1306836836 is about 1093.3027886156.

The spelling of 1306836836 in words is "one billion, three hundred six million, eight hundred thirty-six thousand, eight hundred thirty-six".