1286462 has 4 divisors (see below), whose sum is σ = 1929696. Its totient is φ = 643230.

The previous prime is 1286447. The next prime is 1286489. The reversal of 1286462 is 2646821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2646821 = 863 ⋅3067.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 321614 + ... + 321617.

It is an arithmetic number, because the mean of its divisors is an integer number (482424).

2^1286462 is an apocalyptic number.

1286462 is a deficient number, since it is larger than the sum of its proper divisors (643234).

1286462 is an equidigital number, since it uses as much as digits as its factorization.

1286462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643233.

The product of its digits is 4608, while the sum is 29.

The square root of 1286462 is about 1134.2230821139. The cubic root of 1286462 is about 108.7591122853.

The spelling of 1286462 in words is "one million, two hundred eighty-six thousand, four hundred sixty-two".