1286835260 has 48 divisors (see below), whose sum is σ = 2754011232. Its totient is φ = 504940800.

The previous prime is 1286835259. The next prime is 1286835269. The reversal of 1286835260 is 625386821.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1286835269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 539270 + ... + 541650.

It is an arithmetic number, because the mean of its divisors is an integer number (57375234).

Almost surely, 2^1286835260 is an apocalyptic number.

1286835260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1286835260 is an abundant number, since it is smaller than the sum of its proper divisors (1467175972).

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

1286835260 is a wasteful number, since it uses less digits than its factorization.

1286835260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2894 (or 2892 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 1286835260 is about 35872.4861140122. The cubic root of 1286835260 is about 1087.6962989112.

The spelling of 1286835260 in words is "one billion, two hundred eighty-six million, eight hundred thirty-five thousand, two hundred sixty".