12152115 has 48 divisors (see below), whose sum is σ = 22632480. Its totient is φ = 6013440.

The previous prime is 12152099. The next prime is 12152137. The reversal of 12152115 is 51125121.

It is not a de Polignac number, because 12152115 - 2⁴ = 12152099 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52039 + ... + 52271.

It is an arithmetic number, because the mean of its divisors is an integer number (471510).

Almost surely, 2^12152115 is an apocalyptic number.

12152115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12152115 is a deficient number, since it is larger than the sum of its proper divisors (10480365).

12152115 is a wasteful number, since it uses less digits than its factorization.

12152115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324 (or 321 counting only the distinct ones).

The product of its digits is 100, while the sum is 18.

The square root of 12152115 is about 3485.9883820805. The cubic root of 12152115 is about 229.9061684046.

Adding to 12152115 its reverse (51125121), we get a palindrome (63277236).

The spelling of 12152115 in words is "twelve million, one hundred fifty-two thousand, one hundred fifteen".