1218196 has 24 divisors (see below), whose sum is σ = 2461760. Its totient is φ = 516672.

The previous prime is 1218179. The next prime is 1218197. The reversal of 1218196 is 6918121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1218197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3736 + ... + 4048.

2^1218196 is an apocalyptic number.

It is an amenable number.

1218196 is an abundant number, since it is smaller than the sum of its proper divisors (1243564).

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

1218196 is a wasteful number, since it uses less digits than its factorization.

1218196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463 (or 461 counting only the distinct ones).

The product of its digits is 864, while the sum is 28.

The square root of 1218196 is about 1103.7191671798. The cubic root of 1218196 is about 106.8002796123.

The spelling of 1218196 in words is "one million, two hundred eighteen thousand, one hundred ninety-six".