12151065 has 8 divisors (see below), whose sum is σ = 19441728. Its totient is φ = 6480560.

The previous prime is 12151063. The next prime is 12151067. The reversal of 12151065 is 56015121.

12151065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12151063) and next prime (12151067).

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

It is not a de Polignac number, because 12151065 - 2¹ = 12151063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12151063) 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, 405021 + ... + 405050.

It is an arithmetic number, because the mean of its divisors is an integer number (2430216).

Almost surely, 2^12151065 is an apocalyptic number.

12151065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12151065 is a deficient number, since it is larger than the sum of its proper divisors (7290663).

12151065 is an equidigital number, since it uses as much as digits as its factorization.

12151065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810079.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 12151065 is about 3485.8377759156. The cubic root of 12151065 is about 229.8995465551.

Adding to 12151065 its reverse (56015121), we get a palindrome (68166186).

The spelling of 12151065 in words is "twelve million, one hundred fifty-one thousand, sixty-five".