12152555 has 8 divisors (see below), whose sum is σ = 14893632. Its totient is φ = 9515008.

The previous prime is 12152551. The next prime is 12152561. The reversal of 12152555 is 55525121.

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 12152555 - 2² = 12152551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12152551) 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, 25622 + ... + 26091.

It is an arithmetic number, because the mean of its divisors is an integer number (1861704).

Almost surely, 2^12152555 is an apocalyptic number.

12152555 is a deficient number, since it is larger than the sum of its proper divisors (2741077).

12152555 is an equidigital number, since it uses as much as digits as its factorization.

12152555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51765.

The product of its digits is 2500, while the sum is 26.

The square root of 12152555 is about 3486.0514913007. The cubic root of 12152555 is about 229.9089431615.

Adding to 12152555 its reverse (55525121), we get a palindrome (67677676).

The spelling of 12152555 in words is "twelve million, one hundred fifty-two thousand, five hundred fifty-five".