12140546 has 8 divisors (see below), whose sum is σ = 19866384. Its totient is φ = 5518420.

The previous prime is 12140543. The next prime is 12140549. The reversal of 12140546 is 64504121.

It is an interprime number because it is at equal distance from previous prime (12140543) and next prime (12140549).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12140543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275900 + ... + 275943.

It is an arithmetic number, because the mean of its divisors is an integer number (2483298).

Almost surely, 2^12140546 is an apocalyptic number.

12140546 is a deficient number, since it is larger than the sum of its proper divisors (7725838).

12140546 is a wasteful number, since it uses less digits than its factorization.

12140546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551856.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 12140546 is about 3484.3286297363. The cubic root of 12140546 is about 229.8331871729.

Adding to 12140546 its reverse (64504121), we get a palindrome (76644667).

The spelling of 12140546 in words is "twelve million, one hundred forty thousand, five hundred forty-six".