1286536960 has 36 divisors (see below), whose sum is σ = 3081661128. Its totient is φ = 514614272.

The previous prime is 1286536957. The next prime is 1286536963. The reversal of 1286536960 is 696356821.

It is an interprime number because it is at equal distance from previous prime (1286536957) and next prime (1286536963).

It is a self number, because there is not a number n which added to its sum of digits gives 1286536960.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1286536963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 501274 + ... + 503833.

It is an arithmetic number, because the mean of its divisors is an integer number (85601698).

Almost surely, 2^1286536960 is an apocalyptic number.

1286536960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1286536960 is an abundant number, since it is smaller than the sum of its proper divisors (1795124168).

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

1286536960 is an equidigital number, since it uses as much as digits as its factorization.

1286536960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005128 (or 1005114 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 1286536960 is about 35868.3280903919. The cubic root of 1286536960 is about 1087.6122464843.

The spelling of 1286536960 in words is "one billion, two hundred eighty-six million, five hundred thirty-six thousand, nine hundred sixty".