1213338 has 24 divisors (see below), whose sum is σ = 2823552. Its totient is φ = 346584.

The previous prime is 1213327. The next prime is 1213339. The reversal of 1213338 is 8333121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1213339) 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, 1770 + ... + 2357.

It is an arithmetic number, because the mean of its divisors is an integer number (117648).

2^1213338 is an apocalyptic number.

1213338 is an abundant number, since it is smaller than the sum of its proper divisors (1610214).

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

1213338 is a wasteful number, since it uses less digits than its factorization.

1213338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4146 (or 4139 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

The square root of 1213338 is about 1101.5162277515. The cubic root of 1213338 is about 106.6581221454.

Adding to 1213338 its reverse (8333121), we get a palindrome (9546459).

It can be divided in two parts, 1213 and 338, that added together give a palindrome (1551).

The spelling of 1213338 in words is "one million, two hundred thirteen thousand, three hundred thirty-eight".