12489948 has 18 divisors (see below), whose sum is σ = 31571904. Its totient is φ = 4163304.

The previous prime is 12489941. The next prime is 12489959. The reversal of 12489948 is 84998421.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12489941) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 173436 + ... + 173507.

Almost surely, 2^12489948 is an apocalyptic number.

12489948 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12489948 is an abundant number, since it is smaller than the sum of its proper divisors (19081956).

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

12489948 is a wasteful number, since it uses less digits than its factorization.

12489948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346953 (or 346948 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 12489948 is about 3534.1120525529. The cubic root of 12489948 is about 232.0172153297.

The spelling of 12489948 in words is "twelve million, four hundred eighty-nine thousand, nine hundred forty-eight".