12403532 has 24 divisors (see below), whose sum is σ = 23436000. Its totient is φ = 5726336.

The previous prime is 12403529. The next prime is 12403541. The reversal of 12403532 is 23530421.

It is a happy number.

12403532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344 + ... + 4992.

It is an arithmetic number, because the mean of its divisors is an integer number (976500).

Almost surely, 2^12403532 is an apocalyptic number.

It is an amenable number.

12403532 is a deficient number, since it is larger than the sum of its proper divisors (11032468).

12403532 is a wasteful number, since it uses less digits than its factorization.

12403532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4705 (or 4703 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 12403532 is about 3521.8648469241. The cubic root of 12403532 is about 231.4808795184.

Adding to 12403532 its reverse (23530421), we get a palindrome (35933953).

The spelling of 12403532 in words is "twelve million, four hundred three thousand, five hundred thirty-two".