1286330 has 16 divisors (see below), whose sum is σ = 2328480. Its totient is φ = 511632.

The previous prime is 1286323. The next prime is 1286359. The reversal of 1286330 is 336821.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1286296 and 1286305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2861 + ... + 3279.

It is an arithmetic number, because the mean of its divisors is an integer number (145530).

2^1286330 is an apocalyptic number.

1286330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1286330 is a deficient number, since it is larger than the sum of its proper divisors (1042150).

1286330 is a wasteful number, since it uses less digits than its factorization.

1286330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1286330 is about 1134.1648910101. The cubic root of 1286330 is about 108.7553923428.

The spelling of 1286330 in words is "one million, two hundred eighty-six thousand, three hundred thirty".