12141680 has 20 divisors (see below), whose sum is σ = 28229592. Its totient is φ = 4856640.

The previous prime is 12141671. The next prime is 12141697. The reversal of 12141680 is 8614121.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75806 + ... + 75965.

Almost surely, 2^12141680 is an apocalyptic number.

12141680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12141680 is an abundant number, since it is smaller than the sum of its proper divisors (16087912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12141680 is a wasteful number, since it uses less digits than its factorization.

12141680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151784 (or 151778 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 12141680 is about 3484.4913545595. The cubic root of 12141680 is about 229.8403428840.

It can be divided in two parts, 12141 and 680, that added together give a palindrome (12821).

The spelling of 12141680 in words is "twelve million, one hundred forty-one thousand, six hundred eighty".