12494228 has 6 divisors (see below), whose sum is σ = 21864906. Its totient is φ = 6247112.

The previous prime is 12494219. The next prime is 12494231. The reversal of 12494228 is 82249421.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11751184 + 743044 = 3428^2 + 862^2 .

It is a super-2 number, since 2×12494228² = 312211466631968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12494194 and 12494203.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1561775 + ... + 1561782.

It is an arithmetic number, because the mean of its divisors is an integer number (3644151).

Almost surely, 2^12494228 is an apocalyptic number.

It is an amenable number.

12494228 is a deficient number, since it is larger than the sum of its proper divisors (9370678).

12494228 is a wasteful number, since it uses less digits than its factorization.

12494228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3123561 (or 3123559 counting only the distinct ones).

The product of its digits is 9216, while the sum is 32.

The square root of 12494228 is about 3534.7175276109. The cubic root of 12494228 is about 232.0437145133.

The spelling of 12494228 in words is "twelve million, four hundred ninety-four thousand, two hundred twenty-eight".