1230706 has 16 divisors (see below), whose sum is σ = 1965600. Its totient is φ = 576288.

The previous prime is 1230689. The next prime is 1230727. The reversal of 1230706 is 6070321.

It is a Harshad number since it is a multiple of its sum of digits (19).

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 in 7 ways as a sum of consecutive naturals, for example, 5166 + ... + 5398.

It is an arithmetic number, because the mean of its divisors is an integer number (122850).

2^1230706 is an apocalyptic number.

1230706 is a deficient number, since it is larger than the sum of its proper divisors (734894).

1230706 is a wasteful number, since it uses less digits than its factorization.

1230706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 1230706 is about 1109.3718943619. The cubic root of 1230706 is about 107.1646227104.

It can be divided in two parts, 1230 and 706, that added together give a square (1936 = 44²).

The spelling of 1230706 in words is "one million, two hundred thirty thousand, seven hundred six".