12148648 has 8 divisors (see below), whose sum is σ = 22778730. Its totient is φ = 6074320.

The previous prime is 12148639. The next prime is 12148649. The reversal of 12148648 is 84684121.

It can be written as a sum of positive squares in only one way, i.e., 7387524 + 4761124 = 2718^2 + 2182^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (12148649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 759283 + ... + 759298.

Almost surely, 2^12148648 is an apocalyptic number.

It is an amenable number.

12148648 is a deficient number, since it is larger than the sum of its proper divisors (10630082).

12148648 is a wasteful number, since it uses less digits than its factorization.

12148648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518587 (or 1518583 counting only the distinct ones).

The product of its digits is 12288, while the sum is 34.

The square root of 12148648 is about 3485.4910701363. The cubic root of 12148648 is about 229.8843022384.

The spelling of 12148648 in words is "twelve million, one hundred forty-eight thousand, six hundred forty-eight".