12148992 has 54 divisors (see below), whose sum is σ = 35035182. Its totient is φ = 4048896.

The previous prime is 12148973. The next prime is 12149003. The reversal of 12148992 is 29984121.

It can be written as a sum of positive squares in only one way, i.e., 10342656 + 1806336 = 3216^2 + 1344^2 .

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

It is a nude number because it is divisible by every one of its digits.

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 333 + ... + 4940.

Almost surely, 2^12148992 is an apocalyptic number.

12148992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12148992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17517591).

12148992 is an abundant number, since it is smaller than the sum of its proper divisors (22886190).

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

12148992 is an equidigital number, since it uses as much as digits as its factorization.

12148992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5295 (or 5278 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 12148992 is about 3485.5404172094. The cubic root of 12148992 is about 229.8864720121.

The spelling of 12148992 in words is "twelve million, one hundred forty-eight thousand, nine hundred ninety-two".