12140830 has 32 divisors (see below), whose sum is σ = 23935968. Its totient is φ = 4406400.

The previous prime is 12140827. The next prime is 12140831. The reversal of 12140830 is 3804121.

It is a junction number, because it is equal to n+sod(n) for n = 12140798 and 12140807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12140831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7165 + ... + 8695.

It is an arithmetic number, because the mean of its divisors is an integer number (747999).

Almost surely, 2^12140830 is an apocalyptic number.

12140830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12140830 is a deficient number, since it is larger than the sum of its proper divisors (11795138).

12140830 is a wasteful number, since it uses less digits than its factorization.

12140830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 12140830 is about 3484.3693834035. The cubic root of 12140830 is about 229.8349792976.

Adding to 12140830 its reverse (3804121), we get a palindrome (15944951).

The spelling of 12140830 in words is "twelve million, one hundred forty thousand, eight hundred thirty".