12809352 has 16 divisors (see below), whose sum is σ = 32023440. Its totient is φ = 4269776.

The previous prime is 12809351. The next prime is 12809359. The reversal of 12809352 is 25390821.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12809351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266838 + ... + 266885.

It is an arithmetic number, because the mean of its divisors is an integer number (2001465).

Almost surely, 2^12809352 is an apocalyptic number.

12809352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12809352 is an abundant number, since it is smaller than the sum of its proper divisors (19214088).

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

12809352 is a wasteful number, since it uses less digits than its factorization.

12809352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533732 (or 533728 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 12809352 is about 3579.0155070913. The cubic root of 12809352 is about 233.9783748005.

The spelling of 12809352 in words is "twelve million, eight hundred nine thousand, three hundred fifty-two".