12609542 has 8 divisors (see below), whose sum is σ = 20633832. Its totient is φ = 5731600.

The previous prime is 12609533. The next prime is 12609551. The reversal of 12609542 is 24590621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12609533) and next prime (12609551).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 286559 + ... + 286602.

It is an arithmetic number, because the mean of its divisors is an integer number (2579229).

Almost surely, 2^12609542 is an apocalyptic number.

12609542 is a deficient number, since it is larger than the sum of its proper divisors (8024290).

12609542 is a wasteful number, since it uses less digits than its factorization.

12609542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573174.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 12609542 is about 3550.9916924713. The cubic root of 12609542 is about 232.7554028442.

The spelling of 12609542 in words is "twelve million, six hundred nine thousand, five hundred forty-two".