1216968 has 16 divisors (see below), whose sum is σ = 3042480. Its totient is φ = 405648.

The previous prime is 1216961. The next prime is 1216973. The reversal of 1216968 is 8696121.

1216968 = T₃₈₂ + T₃₈₃ + ... + T₃₉₇.

It is a super-2 number, since 2×1216968² = 2962022226048, which contains 22 as substring.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (1216961) 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, 25330 + ... + 25377.

It is an arithmetic number, because the mean of its divisors is an integer number (190155).

2^1216968 is an apocalyptic number.

It is an amenable number.

1216968 is an abundant number, since it is smaller than the sum of its proper divisors (1825512).

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

1216968 is a wasteful number, since it uses less digits than its factorization.

1216968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50716 (or 50712 counting only the distinct ones).

The product of its digits is 5184, while the sum is 33.

The square root of 1216968 is about 1103.1627259838. The cubic root of 1216968 is about 106.7643809455.

The spelling of 1216968 in words is "one million, two hundred sixteen thousand, nine hundred sixty-eight".