12449432 has 8 divisors (see below), whose sum is σ = 23342700. Its totient is φ = 6224712.

The previous prime is 12449431. The next prime is 12449441. The reversal of 12449432 is 23494421.

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

It is a junction number, because it is equal to n+sod(n) for n = 12449395 and 12449404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12449431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 778082 + ... + 778097.

Almost surely, 2^12449432 is an apocalyptic number.

It is an amenable number.

12449432 is a deficient number, since it is larger than the sum of its proper divisors (10893268).

12449432 is a wasteful number, since it uses less digits than its factorization.

12449432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556185 (or 1556181 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 12449432 is about 3528.3752634888. The cubic root of 12449432 is about 231.7660642312.

The spelling of 12449432 in words is "twelve million, four hundred forty-nine thousand, four hundred thirty-two".