12523652 has 6 divisors (see below), whose sum is σ = 21916398. Its totient is φ = 6261824.

The previous prime is 12523639. The next prime is 12523663. The reversal of 12523652 is 25632521.

It can be written as a sum of positive squares in only one way, i.e., 9647236 + 2876416 = 3106^2 + 1696^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565453 + ... + 1565460.

It is an arithmetic number, because the mean of its divisors is an integer number (3652733).

Almost surely, 2^12523652 is an apocalyptic number.

It is an amenable number.

12523652 is a deficient number, since it is larger than the sum of its proper divisors (9392746).

12523652 is a wasteful number, since it uses less digits than its factorization.

12523652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3130917 (or 3130915 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 12523652 is about 3538.8772230751. The cubic root of 12523652 is about 232.2257266000.

The spelling of 12523652 in words is "twelve million, five hundred twenty-three thousand, six hundred fifty-two".