12155014 has 4 divisors (see below), whose sum is σ = 18232524. Its totient is φ = 6077506.

The previous prime is 12154993. The next prime is 12155021. The reversal of 12155014 is 41055121.

12155014 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41055121 = 67 ⋅612763.

It is a junction number, because it is equal to n+sod(n) for n = 12154982 and 12155000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3038752 + ... + 3038755.

It is an arithmetic number, because the mean of its divisors is an integer number (4558131).

Almost surely, 2^12155014 is an apocalyptic number.

12155014 is a deficient number, since it is larger than the sum of its proper divisors (6077510).

12155014 is an equidigital number, since it uses as much as digits as its factorization.

12155014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6077509.

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

The square root of 12155014 is about 3486.4041647520. The cubic root of 12155014 is about 229.9244490356.

The spelling of 12155014 in words is "twelve million, one hundred fifty-five thousand, fourteen".