12849432 has 32 divisors (see below), whose sum is σ = 32873280. Its totient is φ = 4183200.

The previous prime is 12849409. The next prime is 12849437. The reversal of 12849432 is 23494821.

It is a junction number, because it is equal to n+sod(n) for n = 12849393 and 12849402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12849437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5194 + ... + 7257.

It is an arithmetic number, because the mean of its divisors is an integer number (1027290).

Almost surely, 2^12849432 is an apocalyptic number.

12849432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12849432 is an abundant number, since it is smaller than the sum of its proper divisors (20023848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12849432 is a wasteful number, since it uses less digits than its factorization.

12849432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12503 (or 12499 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 12849432 is about 3584.6104390854. The cubic root of 12849432 is about 234.2221573441. Note that the first 3 decimals are identical.

The spelling of 12849432 in words is "twelve million, eight hundred forty-nine thousand, four hundred thirty-two".