12248428 has 6 divisors (see below), whose sum is σ = 21434756. Its totient is φ = 6124212.

The previous prime is 12248413. The next prime is 12248429. The reversal of 12248428 is 82484221.

It is a self number, because there is not a number n which added to its sum of digits gives 12248428.

It is not an unprimeable number, because it can be changed into a prime (12248429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1531050 + ... + 1531057.

Almost surely, 2^12248428 is an apocalyptic number.

It is an amenable number.

12248428 is a deficient number, since it is larger than the sum of its proper divisors (9186328).

12248428 is a wasteful number, since it uses less digits than its factorization.

12248428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3062111 (or 3062109 counting only the distinct ones).

The product of its digits is 8192, while the sum is 31.

The square root of 12248428 is about 3499.7754213663. The cubic root of 12248428 is about 230.5119534929.

The spelling of 12248428 in words is "twelve million, two hundred forty-eight thousand, four hundred twenty-eight".