1366630 has 16 divisors (see below), whose sum is σ = 2604960. Its totient is φ = 514432.

The previous prime is 1366627. The next prime is 1366639. The reversal of 1366630 is 366631.

It is a junction number, because it is equal to n+sod(n) for n = 1366595 and 1366604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366639) 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 in 7 ways as a sum of consecutive naturals, for example, 3850 + ... + 4189.

It is an arithmetic number, because the mean of its divisors is an integer number (162810).

2^1366630 is an apocalyptic number.

1366630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1366630 is a deficient number, since it is larger than the sum of its proper divisors (1238330).

1366630 is a wasteful number, since it uses less digits than its factorization.

1366630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8063.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 1366630 is about 1169.0295120312. The cubic root of 1366630 is about 110.9729122550.

Subtracting from 1366630 its reverse (366631), we obtain a palindrome (999999).

The spelling of 1366630 in words is "one million, three hundred sixty-six thousand, six hundred thirty".