12154268 has 12 divisors (see below), whose sum is σ = 24308592. Its totient is φ = 5208960.

The previous prime is 12154267. The next prime is 12154273. The reversal of 12154268 is 86245121.

12154268 is an admirable number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 12154268.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12154267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217013 + ... + 217068.

It is an arithmetic number, because the mean of its divisors is an integer number (2025716).

Almost surely, 2^12154268 is an apocalyptic number.

It is an amenable number.

12154268 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12154268 is a wasteful number, since it uses less digits than its factorization.

12154268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434092 (or 434090 counting only the distinct ones).

The product of its digits is 3840, while the sum is 29.

The square root of 12154268 is about 3486.2971760881. The cubic root of 12154268 is about 229.9197451565.

Adding to 12154268 its reverse (86245121), we get a palindrome (98399389).

The spelling of 12154268 in words is "twelve million, one hundred fifty-four thousand, two hundred sixty-eight".