12506552 has 8 divisors (see below), whose sum is σ = 23449800. Its totient is φ = 6253272.

The previous prime is 12506537. The next prime is 12506561. The reversal of 12506552 is 25560521.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 781652 + ... + 781667.

It is an arithmetic number, because the mean of its divisors is an integer number (2931225).

Almost surely, 2^12506552 is an apocalyptic number.

It is an amenable number.

12506552 is a deficient number, since it is larger than the sum of its proper divisors (10943248).

12506552 is a wasteful number, since it uses less digits than its factorization.

12506552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563325 (or 1563321 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 12506552 is about 3536.4603772699. The cubic root of 12506552 is about 232.1199835180.

The spelling of 12506552 in words is "twelve million, five hundred six thousand, five hundred fifty-two".