1229808 has 20 divisors (see below), whose sum is σ = 3177128. Its totient is φ = 409920.

The previous prime is 1229807. The next prime is 1229827. The reversal of 1229808 is 8089221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1229807) 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, 12763 + ... + 12858.

2^1229808 is an apocalyptic number.

It is an amenable number.

1229808 is an abundant number, since it is smaller than the sum of its proper divisors (1947320).

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

1229808 is a wasteful number, since it uses less digits than its factorization.

1229808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25632 (or 25626 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 1229808 is about 1108.9670869778. The cubic root of 1229808 is about 107.1385517000.

The spelling of 1229808 in words is "one million, two hundred twenty-nine thousand, eight hundred eight".