12244636 has 6 divisors (see below), whose sum is σ = 21428120. Its totient is φ = 6122316.

The previous prime is 12244633. The next prime is 12244657. The reversal of 12244636 is 63644221.

It is a super-2 number, since 2×12244636² = 299862221544992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12244633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1530576 + ... + 1530583.

Almost surely, 2^12244636 is an apocalyptic number.

It is an amenable number.

12244636 is a deficient number, since it is larger than the sum of its proper divisors (9183484).

12244636 is a wasteful number, since it uses less digits than its factorization.

12244636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3061163 (or 3061161 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 12244636 is about 3499.2336303825. The cubic root of 12244636 is about 230.4881629148.

Adding to 12244636 its reverse (63644221), we get a palindrome (75888857).

It can be divided in two parts, 12244 and 636, that added together give a triangular number (12880 = T₁₆₀).

The spelling of 12244636 in words is "twelve million, two hundred forty-four thousand, six hundred thirty-six".