1213044 has 36 divisors (see below), whose sum is σ = 3294144. Its totient is φ = 346416.

The previous prime is 1213033. The next prime is 1213049. The reversal of 1213044 is 4403121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213049) 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, 444 + ... + 1619.

It is an arithmetic number, because the mean of its divisors is an integer number (91504).

2^1213044 is an apocalyptic number.

1213044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1213044 is an abundant number, since it is smaller than the sum of its proper divisors (2081100).

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

1213044 is a wasteful number, since it uses less digits than its factorization.

1213044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2084 (or 2075 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1213044 is about 1101.3827672521. The cubic root of 1213044 is about 106.6495067882.

Adding to 1213044 its reverse (4403121), we get a palindrome (5616165).

The spelling of 1213044 in words is "one million, two hundred thirteen thousand, forty-four".