12140252 has 6 divisors (see below), whose sum is σ = 21245448. Its totient is φ = 6070124.

The previous prime is 12140243. The next prime is 12140257. The reversal of 12140252 is 25204121.

It is a self number, because there is not a number n which added to its sum of digits gives 12140252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12140257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1517528 + ... + 1517535.

It is an arithmetic number, because the mean of its divisors is an integer number (3540908).

Almost surely, 2^12140252 is an apocalyptic number.

It is an amenable number.

12140252 is a deficient number, since it is larger than the sum of its proper divisors (9105196).

12140252 is a wasteful number, since it uses less digits than its factorization.

12140252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3035067 (or 3035065 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 12140252 is about 3484.2864405786. The cubic root of 12140252 is about 229.8313319158.

Adding to 12140252 its reverse (25204121), we get a palindrome (37344373).

The spelling of 12140252 in words is "twelve million, one hundred forty thousand, two hundred fifty-two".