12148660 has 48 divisors (see below), whose sum is σ = 26517456. Its totient is φ = 4672512.

The previous prime is 12148649. The next prime is 12148663. The reversal of 12148660 is 6684121.

It can be written as a sum of positive squares in 8 ways, for example, as 10404 + 12138256 = 102^2 + 3484^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12148663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77302 + ... + 77458.

It is an arithmetic number, because the mean of its divisors is an integer number (552447).

Almost surely, 2^12148660 is an apocalyptic number.

12148660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12148660 is an abundant number, since it is smaller than the sum of its proper divisors (14368796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12148660 is a wasteful number, since it uses less digits than its factorization.

12148660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 12148660 is about 3485.4927915576. The cubic root of 12148660 is about 229.8843779288.

The spelling of 12148660 in words is "twelve million, one hundred forty-eight thousand, six hundred sixty".