1208816 has 40 divisors (see below), whose sum is σ = 2749824. Its totient is φ = 504000.

The previous prime is 1208813. The next prime is 1208821. The reversal of 1208816 is 6188021.

It is a super-2 number, since 2×1208816² = 2922472243712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1208813) 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, 4691 + ... + 4941.

2^1208816 is an apocalyptic number.

1208816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1208816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1374912).

1208816 is an abundant number, since it is smaller than the sum of its proper divisors (1541008).

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

1208816 is a wasteful number, since it uses less digits than its factorization.

1208816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 1208816 is about 1099.4616864630. The cubic root of 1208816 is about 106.5254555005.

The spelling of 1208816 in words is "one million, two hundred eight thousand, eight hundred sixteen".