12154054 has 16 divisors (see below), whose sum is σ = 20068560. Its totient is φ = 5474560.

The previous prime is 12154039. The next prime is 12154057. The reversal of 12154054 is 45045121.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12154057) 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 in 7 ways as a sum of consecutive naturals, for example, 42 + ... + 4930.

It is an arithmetic number, because the mean of its divisors is an integer number (1254285).

Almost surely, 2^12154054 is an apocalyptic number.

12154054 is a deficient number, since it is larger than the sum of its proper divisors (7914506).

12154054 is a wasteful number, since it uses less digits than its factorization.

12154054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5015.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 12154054 is about 3486.2664843640. The cubic root of 12154054 is about 229.9183957508.

Adding to 12154054 its reverse (45045121), we get a palindrome (57199175).

The spelling of 12154054 in words is "twelve million, one hundred fifty-four thousand, fifty-four".