12140654 has 8 divisors (see below), whose sum is σ = 18798528. Its totient is φ = 5874480.

The previous prime is 12140651. The next prime is 12140671. The reversal of 12140654 is 45604121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12140651) 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 3 ways as a sum of consecutive naturals, for example, 97847 + ... + 97970.

It is an arithmetic number, because the mean of its divisors is an integer number (2349816).

Almost surely, 2^12140654 is an apocalyptic number.

12140654 is a deficient number, since it is larger than the sum of its proper divisors (6657874).

12140654 is a wasteful number, since it uses less digits than its factorization.

12140654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195850.

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

The square root of 12140654 is about 3484.3441276659. The cubic root of 12140654 is about 229.8338686884.

Adding to 12140654 its reverse (45604121), we get a palindrome (57744775).

The spelling of 12140654 in words is "twelve million, one hundred forty thousand, six hundred fifty-four".