12153864 has 32 divisors (see below), whose sum is σ = 31093920. Its totient is φ = 3956736.

The previous prime is 12153857. The next prime is 12153881. The reversal of 12153864 is 46835121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4857 + ... + 6920.

It is an arithmetic number, because the mean of its divisors is an integer number (971685).

Almost surely, 2^12153864 is an apocalyptic number.

It is an amenable number.

12153864 is an abundant number, since it is smaller than the sum of its proper divisors (18940056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12153864 is a wasteful number, since it uses less digits than its factorization.

12153864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11829 (or 11825 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 12153864 is about 3486.2392344760. The cubic root of 12153864 is about 229.9171976671.

Adding to 12153864 its reverse (46835121), we get a palindrome (58988985).

The spelling of 12153864 in words is "twelve million, one hundred fifty-three thousand, eight hundred sixty-four".