12152055 has 8 divisors (see below), whose sum is σ = 19443312. Its totient is φ = 6481088.

The previous prime is 12152051. The next prime is 12152071. The reversal of 12152055 is 55025121.

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 12152055 - 2² = 12152051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12152051) 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, 405054 + ... + 405083.

It is an arithmetic number, because the mean of its divisors is an integer number (2430414).

Almost surely, 2^12152055 is an apocalyptic number.

12152055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12152055 is a deficient number, since it is larger than the sum of its proper divisors (7291257).

12152055 is an equidigital number, since it uses as much as digits as its factorization.

12152055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810145.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 12152055 is about 3485.9797761892. The cubic root of 12152055 is about 229.9057900235.

Adding to 12152055 its reverse (55025121), we get a palindrome (67177176).

The spelling of 12152055 in words is "twelve million, one hundred fifty-two thousand, fifty-five".