1212768 has 36 divisors (see below), whose sum is σ = 3449628. Its totient is φ = 404160.

The previous prime is 1212737. The next prime is 1212769. The reversal of 1212768 is 8672121.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212769) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1818 + ... + 2393.

It is an arithmetic number, because the mean of its divisors is an integer number (95823).

2^1212768 is an apocalyptic number.

1212768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1212768 is an abundant number, since it is smaller than the sum of its proper divisors (2236860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1212768 is a wasteful number, since it uses less digits than its factorization.

1212768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4227 (or 4216 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 1212768 is about 1101.2574630848. The cubic root of 1212768 is about 106.6414176349.

Adding to 1212768 its reverse (8672121), we get a palindrome (9884889).

The spelling of 1212768 in words is "one million, two hundred twelve thousand, seven hundred sixty-eight".