12148736 has 28 divisors (see below), whose sum is σ = 24312372. Its totient is φ = 6070272.

The previous prime is 12148729. The next prime is 12148757. The reversal of 12148736 is 63784121.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7451 + ... + 8933.

It is an arithmetic number, because the mean of its divisors is an integer number (868299).

Almost surely, 2^12148736 is an apocalyptic number.

12148736 is a gapful number since it is divisible by the number (16) 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 12148736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12156186).

12148736 is an abundant number, since it is smaller than the sum of its proper divisors (12163636).

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

12148736 is an frugal number, since it uses more digits than its factorization.

12148736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509 (or 1485 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 12148736 is about 3485.5036938727. The cubic root of 12148736 is about 229.8848573007.

The spelling of 12148736 in words is "twelve million, one hundred forty-eight thousand, seven hundred thirty-six".