1219808 has 12 divisors (see below), whose sum is σ = 2401560. Its totient is φ = 609888.

The previous prime is 1219807. The next prime is 1219811. The reversal of 1219808 is 8089121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1219807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19028 + ... + 19091.

It is an arithmetic number, because the mean of its divisors is an integer number (200130).

2^1219808 is an apocalyptic number.

It is an amenable number.

1219808 is a deficient number, since it is larger than the sum of its proper divisors (1181752).

1219808 is an equidigital number, since it uses as much as digits as its factorization.

1219808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38129 (or 38121 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 29.

The square root of 1219808 is about 1104.4491839827. The cubic root of 1219808 is about 106.8473673189.

The spelling of 1219808 in words is "one million, two hundred nineteen thousand, eight hundred eight".