1286482690 has 16 divisors (see below), whose sum is σ = 2416350528. Its totient is φ = 492219376.

The previous prime is 1286482657. The next prime is 1286482777. The reversal of 1286482690 is 962846821.

It is a super-2 number, since 2×1286482690² = 3310075423339272200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a self number, because there is not a number n which added to its sum of digits gives 1286482690.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2796472 + ... + 2796931.

It is an arithmetic number, because the mean of its divisors is an integer number (151021908).

Almost surely, 2^1286482690 is an apocalyptic number.

1286482690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1286482690 is a deficient number, since it is larger than the sum of its proper divisors (1129867838).

1286482690 is a wasteful number, since it uses less digits than its factorization.

1286482690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5593433.

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 1286482690 is about 35867.5715654127. The cubic root of 1286482690 is about 1087.5969533502.

The spelling of 1286482690 in words is "one billion, two hundred eighty-six million, four hundred eighty-two thousand, six hundred ninety".