12509852 has 12 divisors (see below), whose sum is σ = 21922656. Its totient is φ = 6246240.

The previous prime is 12509837. The next prime is 12509857. The reversal of 12509852 is 25890521.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12509857) 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, 1928 + ... + 5360.

It is an arithmetic number, because the mean of its divisors is an integer number (1826888).

Almost surely, 2^12509852 is an apocalyptic number.

It is an amenable number.

12509852 is a deficient number, since it is larger than the sum of its proper divisors (9412804).

12509852 is a wasteful number, since it uses less digits than its factorization.

12509852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4348 (or 4346 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 12509852 is about 3536.9269147100. The cubic root of 12509852 is about 232.1403975800.

The spelling of 12509852 in words is "twelve million, five hundred nine thousand, eight hundred fifty-two".