1216976 has 20 divisors (see below), whose sum is σ = 2461152. Its totient is φ = 581856.

The previous prime is 1216973. The next prime is 1216987. The reversal of 1216976 is 6796121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1216973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1286 + ... + 2021.

2^1216976 is an apocalyptic number.

1216976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1216976 is an abundant number, since it is smaller than the sum of its proper divisors (1244176).

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

1216976 is a wasteful number, since it uses less digits than its factorization.

1216976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3338 (or 3332 counting only the distinct ones).

The product of its digits is 4536, while the sum is 32.

The square root of 1216976 is about 1103.1663519162. The cubic root of 1216976 is about 106.7646148912.

The spelling of 1216976 in words is "one million, two hundred sixteen thousand, nine hundred seventy-six".