1213244 has 12 divisors (see below), whose sum is σ = 2196600. Its totient is φ = 585648.

The previous prime is 1213241. The next prime is 1213253. The reversal of 1213244 is 4423121.

It is a super-2 number, since 2×1213244² = 2943922007072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5114 + ... + 5345.

It is an arithmetic number, because the mean of its divisors is an integer number (183050).

2^1213244 is an apocalyptic number.

It is an amenable number.

1213244 is a deficient number, since it is larger than the sum of its proper divisors (983356).

1213244 is a wasteful number, since it uses less digits than its factorization.

1213244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10492 (or 10490 counting only the distinct ones).

The product of its digits is 192, while the sum is 17.

The square root of 1213244 is about 1101.4735584661. The cubic root of 1213244 is about 106.6553677268.

Adding to 1213244 its reverse (4423121), we get a palindrome (5636365).

The spelling of 1213244 in words is "one million, two hundred thirteen thousand, two hundred forty-four".