12146027 has 4 divisors (see below), whose sum is σ = 12474336. Its totient is φ = 11817720.

The previous prime is 12146023. The next prime is 12146039. The reversal of 12146027 is 72064121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72064121 = 6451 ⋅11171.

It is a cyclic number.

It is not a de Polignac number, because 12146027 - 2² = 12146023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12145993 and 12146011.

It is not an unprimeable number, because it can be changed into a prime (12146023) 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, 164099 + ... + 164172.

It is an arithmetic number, because the mean of its divisors is an integer number (3118584).

Almost surely, 2^12146027 is an apocalyptic number.

12146027 is a deficient number, since it is larger than the sum of its proper divisors (328309).

12146027 is an equidigital number, since it uses as much as digits as its factorization.

12146027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328308.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 12146027 is about 3485.1150626629. The cubic root of 12146027 is about 229.8677689832.

The spelling of 12146027 in words is "twelve million, one hundred forty-six thousand, twenty-seven".