12148308 has 18 divisors (see below), whose sum is σ = 30708314. Its totient is φ = 4049424.

The previous prime is 12148271. The next prime is 12148327. The reversal of 12148308 is 80384121.

It can be written as a sum of positive squares in only one way, i.e., 11370384 + 777924 = 3372^2 + 882^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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 in 5 ways as a sum of consecutive naturals, for example, 168691 + ... + 168762.

Almost surely, 2^12148308 is an apocalyptic number.

12148308 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12148308 is an abundant number, since it is smaller than the sum of its proper divisors (18560006).

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

12148308 is a wasteful number, since it uses less digits than its factorization.

12148308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337463 (or 337458 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 12148308 is about 3485.4422961799. The cubic root of 12148308 is about 229.8821576543.

The spelling of 12148308 in words is "twelve million, one hundred forty-eight thousand, three hundred eight".