12014155 has 16 divisors (see below), whose sum is σ = 15349824. Its totient is φ = 8995840.

The previous prime is 12014153. The next prime is 12014161. The reversal of 12014155 is 55141021.

It is not a de Polignac number, because 12014155 - 2¹ = 12014153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12014153) 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 15 ways as a sum of consecutive naturals, for example, 23634 + ... + 24136.

It is an arithmetic number, because the mean of its divisors is an integer number (959364).

Almost surely, 2^12014155 is an apocalyptic number.

12014155 is a deficient number, since it is larger than the sum of its proper divisors (3335669).

12014155 is a wasteful number, since it uses less digits than its factorization.

12014155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 12014155 is about 3466.1441112568. The cubic root of 12014155 is about 229.0328321950.

Adding to 12014155 its reverse (55141021), we get a palindrome (67155176).

It can be divided in two parts, 1201 and 4155, that added together give a triangular number (5356 = T₁₀₃).

The spelling of 12014155 in words is "twelve million, fourteen thousand, one hundred fifty-five".