12440130 has 64 divisors (see below), whose sum is σ = 31449600. Its totient is φ = 3144960.

The previous prime is 12440119. The next prime is 12440137. The reversal of 12440130 is 3104421.

12440130 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (12440137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68640 + ... + 68820.

It is an arithmetic number, because the mean of its divisors is an integer number (491400).

Almost surely, 2^12440130 is an apocalyptic number.

12440130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12440130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15724800).

12440130 is an abundant number, since it is smaller than the sum of its proper divisors (19009470).

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

12440130 is a wasteful number, since it uses less digits than its factorization.

12440130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 12440130 is about 3527.0568467208. The cubic root of 12440130 is about 231.7083259853.

Adding to 12440130 its reverse (3104421), we get a palindrome (15544551).

The spelling of 12440130 in words is "twelve million, four hundred forty thousand, one hundred thirty".