12253155 has 16 divisors (see below), whose sum is σ = 19781280. Its totient is φ = 6476288.

The previous prime is 12253147. The next prime is 12253169. The reversal of 12253155 is 55135221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12253155 - 2³ = 12253147 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1920 + ... + 5309.

It is an arithmetic number, because the mean of its divisors is an integer number (1236330).

Almost surely, 2^12253155 is an apocalyptic number.

12253155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12253155 is a deficient number, since it is larger than the sum of its proper divisors (7528125).

12253155 is a wasteful number, since it uses less digits than its factorization.

12253155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7350.

The product of its digits is 1500, while the sum is 24.

The square root of 12253155 is about 3500.4506852690. The cubic root of 12253155 is about 230.5416032803.

Adding to 12253155 its reverse (55135221), we get a palindrome (67388376).

The spelling of 12253155 in words is "twelve million, two hundred fifty-three thousand, one hundred fifty-five".