1308424 has 32 divisors (see below), whose sum is σ = 2761920. Its totient is φ = 576576.

The previous prime is 1308421. The next prime is 1308457. The reversal of 1308424 is 4248031.

It is a junction number, because it is equal to n+sod(n) for n = 1308395 and 1308404.

It is not an unprimeable number, because it can be changed into a prime (1308421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2119 + ... + 2665.

It is an arithmetic number, because the mean of its divisors is an integer number (86310).

2^1308424 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 1308424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1380960).

1308424 is an abundant number, since it is smaller than the sum of its proper divisors (1453496).

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

1308424 is a wasteful number, since it uses less digits than its factorization.

1308424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589 (or 585 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1308424 is about 1143.8636282355. The cubic root of 1308424 is about 109.3745217938.

The spelling of 1308424 in words is "one million, three hundred eight thousand, four hundred twenty-four".