12154214 has 8 divisors (see below), whose sum is σ = 18269928. Its totient is φ = 6064240.

The previous prime is 12154199. The next prime is 12154217. The reversal of 12154214 is 41245121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12154217) 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, 5207 + ... + 7170.

It is an arithmetic number, because the mean of its divisors is an integer number (2283741).

Almost surely, 2^12154214 is an apocalyptic number.

12154214 is a deficient number, since it is larger than the sum of its proper divisors (6115714).

12154214 is a wasteful number, since it uses less digits than its factorization.

12154214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12870.

The product of its digits is 320, while the sum is 20.

The square root of 12154214 is about 3486.2894314730. The cubic root of 12154214 is about 229.9194046538.

Adding to 12154214 its reverse (41245121), we get a palindrome (53399335).

It can be divided in two parts, 1215421 and 4, that multiplied together give a palindrome (4861684).

The spelling of 12154214 in words is "twelve million, one hundred fifty-four thousand, two hundred fourteen".