12543150 has 24 divisors (see below), whose sum is σ = 31107384. Its totient is φ = 3344800.

The previous prime is 12543131. The next prime is 12543151. The reversal of 12543150 is 5134521.

It is a super-2 number, since 2×12543150² = 314661223845000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12543151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41661 + ... + 41960.

It is an arithmetic number, because the mean of its divisors is an integer number (1296141).

Almost surely, 2^12543150 is an apocalyptic number.

12543150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12543150 is an abundant number, since it is smaller than the sum of its proper divisors (18564234).

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

12543150 is a wasteful number, since it uses less digits than its factorization.

12543150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83636 (or 83631 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 12543150 is about 3541.6309802124. The cubic root of 12543150 is about 232.3461810651.

Adding to 12543150 its reverse (5134521), we get a palindrome (17677671).

The spelling of 12543150 in words is "twelve million, five hundred forty-three thousand, one hundred fifty".