12140672 has 16 divisors (see below), whose sum is σ = 24186750. Its totient is φ = 6070272.

The previous prime is 12140671. The next prime is 12140683. The reversal of 12140672 is 27604121.

It can be written as a sum of positive squares in only one way, i.e., 11999296 + 141376 = 3464^2 + 376^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-3 number, since 3×12140672³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12140671) 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 as a sum of consecutive naturals, namely, 47297 + ... + 47552.

Almost surely, 2^12140672 is an apocalyptic number.

It is an amenable number.

12140672 is a deficient number, since it is larger than the sum of its proper divisors (12046078).

12140672 is an frugal number, since it uses more digits than its factorization.

12140672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94863 (or 94851 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 12140672 is about 3484.3467106475. The cubic root of 12140672 is about 229.8339822739.

Adding to 12140672 its reverse (27604121), we get a palindrome (39744793).

The spelling of 12140672 in words is "twelve million, one hundred forty thousand, six hundred seventy-two".