12152861 has 8 divisors (see below), whose sum is σ = 14045760. Its totient is φ = 10299168.

The previous prime is 12152849. The next prime is 12152863. The reversal of 12152861 is 16825121.

12152861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12152861 - 2⁶ = 12152797 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12152861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12152863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9131 + ... + 10376.

It is an arithmetic number, because the mean of its divisors is an integer number (1755720).

Almost surely, 2^12152861 is an apocalyptic number.

It is an amenable number.

12152861 is a deficient number, since it is larger than the sum of its proper divisors (1892899).

12152861 is an equidigital number, since it uses as much as digits as its factorization.

12152861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19603.

The product of its digits is 960, while the sum is 26.

The square root of 12152861 is about 3486.0953802213. The cubic root of 12152861 is about 229.9108728392.

Adding to 12152861 its reverse (16825121), we get a palindrome (28977982).

The spelling of 12152861 in words is "twelve million, one hundred fifty-two thousand, eight hundred sixty-one".