1244536 has 16 divisors (see below), whose sum is σ = 2471040. Its totient is φ = 585600.

The previous prime is 1244533. The next prime is 1244543. The reversal of 1244536 is 6354421.

It is a self number, because there is not a number n which added to its sum of digits gives 1244536.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4440 + ... + 4711.

It is an arithmetic number, because the mean of its divisors is an integer number (154440).

2^1244536 is an apocalyptic number.

It is an amenable number.

1244536 is a deficient number, since it is larger than the sum of its proper divisors (1226504).

1244536 is a wasteful number, since it uses less digits than its factorization.

1244536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9174 (or 9170 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 1244536 is about 1115.5877374729. The cubic root of 1244536 is about 107.5645474981.

Adding to 1244536 its reverse (6354421), we get a palindrome (7598957).

The spelling of 1244536 in words is "one million, two hundred forty-four thousand, five hundred thirty-six".