12609843 has 16 divisors (see below), whose sum is σ = 17145216. Its totient is φ = 8242560.

The previous prime is 12609833. The next prime is 12609847. The reversal of 12609843 is 34890621.

It is not a de Polignac number, because 12609843 - 2⁸ = 12609587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12609847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52203 + ... + 52443.

It is an arithmetic number, because the mean of its divisors is an integer number (1071576).

Almost surely, 2^12609843 is an apocalyptic number.

12609843 is a deficient number, since it is larger than the sum of its proper divisors (4535373).

12609843 is a wasteful number, since it uses less digits than its factorization.

12609843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 12609843 is about 3551.0340747450. The cubic root of 12609843 is about 232.7572548496.

The spelling of 12609843 in words is "twelve million, six hundred nine thousand, eight hundred forty-three".