1212668 has 12 divisors (see below), whose sum is σ = 2136792. Its totient is φ = 602160.

The previous prime is 1212649. The next prime is 1212671. The reversal of 1212668 is 8662121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338 + ... + 1593.

It is an arithmetic number, because the mean of its divisors is an integer number (178066).

2^1212668 is an apocalyptic number.

It is an amenable number.

1212668 is a deficient number, since it is larger than the sum of its proper divisors (924124).

1212668 is a wasteful number, since it uses less digits than its factorization.

1212668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2092 (or 2090 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 1212668 is about 1101.2120595053. The cubic root of 1212668 is about 106.6384864794.

Adding to 1212668 its reverse (8662121), we get a palindrome (9874789).

The spelling of 1212668 in words is "one million, two hundred twelve thousand, six hundred sixty-eight".