12149560 has 48 divisors (see below), whose sum is σ = 29066760. Its totient is φ = 4569600.

The previous prime is 12149539. The next prime is 12149563. The reversal of 12149560 is 6594121.

12149560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12149560² = 295223616387200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12149563) 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, 11035 + ... + 12085.

Almost surely, 2^12149560 is an apocalyptic number.

12149560 is a gapful number since it is divisible by the number (10) 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 12149560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14533380).

12149560 is an abundant number, since it is smaller than the sum of its proper divisors (16917200).

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

12149560 is a wasteful number, since it uses less digits than its factorization.

12149560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096 (or 1075 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 12149560 is about 3485.6218957311. The cubic root of 12149560 is about 229.8900545722.

The spelling of 12149560 in words is "twelve million, one hundred forty-nine thousand, five hundred sixty".