12150440 has 64 divisors (see below), whose sum is σ = 29237760. Its totient is φ = 4533760.

The previous prime is 12150431. The next prime is 12150451. The reversal of 12150440 is 4405121.

12150440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43100 + ... + 43380.

It is an arithmetic number, because the mean of its divisors is an integer number (456840).

Almost surely, 2^12150440 is an apocalyptic number.

12150440 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 12150440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14618880).

12150440 is an abundant number, since it is smaller than the sum of its proper divisors (17087320).

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

12150440 is a wasteful number, since it uses less digits than its factorization.

12150440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 12150440 is about 3485.7481262994. The cubic root of 12150440 is about 229.8956047969.

Adding to 12150440 its reverse (4405121), we get a palindrome (16555561).

The spelling of 12150440 in words is "twelve million, one hundred fifty thousand, four hundred forty".