1275408 has 60 divisors (see below), whose sum is σ = 3786588. Its totient is φ = 399360.

The previous prime is 1275401. The next prime is 1275437. The reversal of 1275408 is 8045721.

1275408 is nontrivially palindromic in base 5.

It can be written as a sum of positive squares in 2 ways, for example, as 685584 + 589824 = 828^2 + 768^2 .

It is not an unprimeable number, because it can be changed into a prime (1275401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2188 + ... + 2708.

2^1275408 is an apocalyptic number.

1275408 is a gapful number since it is divisible by the number (18) 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 1275408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1893294).

1275408 is an abundant number, since it is smaller than the sum of its proper divisors (2511180).

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

1275408 is a wasteful number, since it uses less digits than its factorization.

1275408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552 (or 543 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 1275408 is about 1129.3396300493. The cubic root of 1275408 is about 108.4467094444.

The spelling of 1275408 in words is "one million, two hundred seventy-five thousand, four hundred eight".