12152605 has 8 divisors (see below), whose sum is σ = 14939064. Its totient is φ = 9484800.

The previous prime is 12152599. The next prime is 12152627. The reversal of 12152605 is 50625121.

It can be written as a sum of positive squares in 4 ways, for example, as 822649 + 11329956 = 907^2 + 3366^2 .

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

It is not a de Polignac number, because 12152605 - 2¹³ = 12144413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29436 + ... + 29845.

It is an arithmetic number, because the mean of its divisors is an integer number (1867383).

Almost surely, 2^12152605 is an apocalyptic number.

It is an amenable number.

12152605 is a deficient number, since it is larger than the sum of its proper divisors (2786459).

12152605 is an equidigital number, since it uses as much as digits as its factorization.

12152605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59327.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 12152605 is about 3486.0586627307. The cubic root of 12152605 is about 229.9092584705.

Adding to 12152605 its reverse (50625121), we get a palindrome (62777726).

The spelling of 12152605 in words is "twelve million, one hundred fifty-two thousand, six hundred five".