12140628 has 12 divisors (see below), whose sum is σ = 28328160. Its totient is φ = 4046872.

The previous prime is 12140627. The next prime is 12140629. The reversal of 12140628 is 82604121.

It is an interprime number because it is at equal distance from previous prime (12140627) and next prime (12140629).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 12140598 and 12140607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12140627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505848 + ... + 505871.

It is an arithmetic number, because the mean of its divisors is an integer number (2360680).

Almost surely, 2^12140628 is an apocalyptic number.

It is an amenable number.

12140628 is an abundant number, since it is smaller than the sum of its proper divisors (16187532).

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

12140628 is a wasteful number, since it uses less digits than its factorization.

12140628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011726 (or 1011724 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 12140628 is about 3484.3403966892. The cubic root of 12140628 is about 229.8337046202.

Adding to 12140628 its reverse (82604121), we get a palindrome (94744749).

The spelling of 12140628 in words is "twelve million, one hundred forty thousand, six hundred twenty-eight".