1218896 has 20 divisors (see below), whose sum is σ = 2699232. Its totient is φ = 522336.

The previous prime is 1218859. The next prime is 1218901. The reversal of 1218896 is 6988121.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

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, 5330 + ... + 5553.

2^1218896 is an apocalyptic number.

1218896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1218896 is an abundant number, since it is smaller than the sum of its proper divisors (1480336).

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

1218896 is a wasteful number, since it uses less digits than its factorization.

1218896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10898 (or 10892 counting only the distinct ones).

The product of its digits is 6912, while the sum is 35.

The square root of 1218896 is about 1104.0362312895. The cubic root of 1218896 is about 106.8207322271.

The spelling of 1218896 in words is "one million, two hundred eighteen thousand, eight hundred ninety-six".