12152609 has 8 divisors (see below), whose sum is σ = 14619840. Its totient is φ = 9868176.

The previous prime is 12152599. The next prime is 12152627. The reversal of 12152609 is 90625121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12152609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12152629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45554 + ... + 45819.

It is an arithmetic number, because the mean of its divisors is an integer number (1827480).

Almost surely, 2^12152609 is an apocalyptic number.

12152609 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12152609 is a deficient number, since it is larger than the sum of its proper divisors (2467231).

12152609 is an equidigital number, since it uses as much as digits as its factorization.

12152609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91399.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 12152609 is about 3486.0592364445. The cubic root of 12152609 is about 229.9092836952.

The spelling of 12152609 in words is "twelve million, one hundred fifty-two thousand, six hundred nine".