1227408 has 80 divisors (see below), whose sum is σ = 3916416. Its totient is φ = 322560.

The previous prime is 1227407. The next prime is 1227431. The reversal of 1227408 is 8047221.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1227407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4228 + ... + 4508.

2^1227408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1227408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1958208).

1227408 is an abundant number, since it is smaller than the sum of its proper divisors (2689008).

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

1227408 is a wasteful number, since it uses less digits than its factorization.

1227408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 1227408 is about 1107.8844705113. The cubic root of 1227408 is about 107.0688118240.

The spelling of 1227408 in words is "one million, two hundred twenty-seven thousand, four hundred eight".