12154425 has 12 divisors (see below), whose sum is σ = 20095440. Its totient is φ = 6482320.

The previous prime is 12154399. The next prime is 12154447. The reversal of 12154425 is 52445121.

It is not a de Polignac number, because 12154425 - 2¹⁶ = 12088889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12154395 and 12154404.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80955 + ... + 81104.

It is an arithmetic number, because the mean of its divisors is an integer number (1674620).

Almost surely, 2^12154425 is an apocalyptic number.

12154425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12154425 is a deficient number, since it is larger than the sum of its proper divisors (7941015).

12154425 is a wasteful number, since it uses less digits than its factorization.

12154425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162072 (or 162067 counting only the distinct ones).

The product of its digits is 1600, while the sum is 24.

The square root of 12154425 is about 3486.3196927419. The cubic root of 12154425 is about 229.9207351310.

Adding to 12154425 its reverse (52445121), we get a palindrome (64599546).

The spelling of 12154425 in words is "twelve million, one hundred fifty-four thousand, four hundred twenty-five".