1214866 has 16 divisors (see below), whose sum is σ = 1894104. Its totient is φ = 584064.

The previous prime is 1214849. The next prime is 1214867. The reversal of 1214866 is 6684121.

It can be written as a sum of positive squares in 4 ways, for example, as 1071225 + 143641 = 1035^2 + 379^2 .

It is not an unprimeable number, because it can be changed into a prime (1214867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7660 + ... + 7816.

2^1214866 is an apocalyptic number.

1214866 is a deficient number, since it is larger than the sum of its proper divisors (679238).

1214866 is a wasteful number, since it uses less digits than its factorization.

1214866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285.

The product of its digits is 2304, while the sum is 28.

The square root of 1214866 is about 1102.2095989421. The cubic root of 1214866 is about 106.7028761616.

Adding to 1214866 its reverse (6684121), we get a palindrome (7898987).

It can be divided in two parts, 1214 and 866, that added together give a triangular number (2080 = T₆₄).

The spelling of 1214866 in words is "one million, two hundred fourteen thousand, eight hundred sixty-six".