12546532 has 6 divisors (see below), whose sum is σ = 21956438. Its totient is φ = 6273264.

The previous prime is 12546491. The next prime is 12546559. The reversal of 12546532 is 23564521.

It can be written as a sum of positive squares in only one way, i.e., 11655396 + 891136 = 3414^2 + 944^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12546532.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1568313 + ... + 1568320.

Almost surely, 2^12546532 is an apocalyptic number.

It is an amenable number.

12546532 is a deficient number, since it is larger than the sum of its proper divisors (9409906).

12546532 is a wasteful number, since it uses less digits than its factorization.

12546532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3136637 (or 3136635 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 12546532 is about 3542.1084116667. The cubic root of 12546532 is about 232.3670616300.

It can be divided in two parts, 1254 and 6532, that multiplied together give a triangular number (8191128 = T₄₀₄₇).

The spelling of 12546532 in words is "twelve million, five hundred forty-six thousand, five hundred thirty-two".