12438532 has 6 divisors (see below), whose sum is σ = 21767438. Its totient is φ = 6219264.

The previous prime is 12438529. The next prime is 12438553. The reversal of 12438532 is 23583421.

It can be written as a sum of positive squares in only one way, i.e., 8964036 + 3474496 = 2994^2 + 1864^2 .

It is a plaindrome in base 6.

It is a zygodrome in base 6.

It is a self number, because there is not a number n which added to its sum of digits gives 12438532.

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, 1554813 + ... + 1554820.

Almost surely, 2^12438532 is an apocalyptic number.

It is an amenable number.

12438532 is a deficient number, since it is larger than the sum of its proper divisors (9328906).

12438532 is a wasteful number, since it uses less digits than its factorization.

12438532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3109637 (or 3109635 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 12438532 is about 3526.8303049622. The cubic root of 12438532 is about 231.6984041769.

The spelling of 12438532 in words is "twelve million, four hundred thirty-eight thousand, five hundred thirty-two".