12153255 has 16 divisors (see below), whose sum is σ = 20469120. Its totient is φ = 6140448.

The previous prime is 12153247. The next prime is 12153299. The reversal of 12153255 is 55235121.

It is a happy number.

It is not a de Polignac number, because 12153255 - 2³ = 12153247 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21037 + ... + 21606.

It is an arithmetic number, because the mean of its divisors is an integer number (1279320).

Almost surely, 2^12153255 is an apocalyptic number.

12153255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12153255 is a deficient number, since it is larger than the sum of its proper divisors (8315865).

12153255 is a wasteful number, since it uses less digits than its factorization.

12153255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42670.

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

The square root of 12153255 is about 3486.1518899784. The cubic root of 12153255 is about 229.9133574093.

Adding to 12153255 its reverse (55235121), we get a palindrome (67388376).

The spelling of 12153255 in words is "twelve million, one hundred fifty-three thousand, two hundred fifty-five".