1283656006 has 4 divisors (see below), whose sum is σ = 1925484012. Its totient is φ = 641828002.

The previous prime is 1283655991. The next prime is 1283656007. The reversal of 1283656006 is 6006563821.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1283656007) by changing a digit.

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, 320914000 + ... + 320914003.

It is an arithmetic number, because the mean of its divisors is an integer number (481371003).

Almost surely, 2^1283656006 is an apocalyptic number.

1283656006 is a deficient number, since it is larger than the sum of its proper divisors (641828006).

1283656006 is an equidigital number, since it uses as much as digits as its factorization.

1283656006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641828005.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 1283656006 is about 35828.1454446082. The cubic root of 1283656006 is about 1086.7998063917.

The spelling of 1283656006 in words is "one billion, two hundred eighty-three million, six hundred fifty-six thousand, six".