12140530 has 16 divisors (see below), whose sum is σ = 22558464. Its totient is φ = 4699440.

The previous prime is 12140521. The next prime is 12140539. The reversal of 12140530 is 3504121.

It is an interprime number because it is at equal distance from previous prime (12140521) and next prime (12140539).

It is not an unprimeable number, because it can be changed into a prime (12140539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19272 + ... + 19891.

It is an arithmetic number, because the mean of its divisors is an integer number (1409904).

Almost surely, 2^12140530 is an apocalyptic number.

12140530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12140530 is a deficient number, since it is larger than the sum of its proper divisors (10417934).

12140530 is a wasteful number, since it uses less digits than its factorization.

12140530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39201.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 12140530 is about 3484.3263337409. The cubic root of 12140530 is about 229.8330862073.

Adding to 12140530 its reverse (3504121), we get a palindrome (15644651).

The spelling of 12140530 in words is "twelve million, one hundred forty thousand, five hundred thirty".