1230336 has 80 divisors (see below), whose sum is σ = 3682800. Its totient is φ = 405504.

The previous prime is 1230331. The next prime is 1230337. The reversal of 1230336 is 6330321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230331) 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, 13780 + ... + 13868.

It is an arithmetic number, because the mean of its divisors is an integer number (46035).

2^1230336 is an apocalyptic number.

1230336 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 1230336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1841400).

1230336 is an abundant number, since it is smaller than the sum of its proper divisors (2452464).

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

1230336 is an frugal number, since it uses more digits than its factorization.

1230336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1230336 is about 1109.2051207960. The cubic root of 1230336 is about 107.1538822940.

Adding to 1230336 its reverse (6330321), we get a palindrome (7560657).

The spelling of 1230336 in words is "one million, two hundred thirty thousand, three hundred thirty-six".