12389148 has 36 divisors (see below), whose sum is σ = 32399640. Its totient is φ = 3986976.

The previous prime is 12389147. The next prime is 12389173. The reversal of 12389148 is 84198321.

12389148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12389147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4890 + ... + 6977.

It is an arithmetic number, because the mean of its divisors is an integer number (899990).

Almost surely, 2^12389148 is an apocalyptic number.

12389148 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12389148 is an abundant number, since it is smaller than the sum of its proper divisors (20010492).

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

12389148 is a wasteful number, since it uses less digits than its factorization.

12389148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11906 (or 11901 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 12389148 is about 3519.8221545982. The cubic root of 12389148 is about 231.3913644542.

The spelling of 12389148 in words is "twelve million, three hundred eighty-nine thousand, one hundred forty-eight".