12153886 has 4 divisors (see below), whose sum is σ = 18230832. Its totient is φ = 6076942.

The previous prime is 12153881. The next prime is 12153887. The reversal of 12153886 is 68835121.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12153881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3038470 + ... + 3038473.

It is an arithmetic number, because the mean of its divisors is an integer number (4557708).

Almost surely, 2^12153886 is an apocalyptic number.

12153886 is a deficient number, since it is larger than the sum of its proper divisors (6076946).

12153886 is an equidigital number, since it uses as much as digits as its factorization.

12153886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6076945.

The product of its digits is 11520, while the sum is 34.

The square root of 12153886 is about 3486.2423897371. The cubic root of 12153886 is about 229.9173363932.

The spelling of 12153886 in words is "twelve million, one hundred fifty-three thousand, eight hundred eighty-six".