12146011 has 4 divisors (see below), whose sum is σ = 12174624. Its totient is φ = 12117400.

The previous prime is 12145993. The next prime is 12146023. The reversal of 12146011 is 11064121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12146011 - 2¹⁹ = 11621723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12146051) 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, 13660 + ... + 14521.

It is an arithmetic number, because the mean of its divisors is an integer number (3043656).

Almost surely, 2^12146011 is an apocalyptic number.

12146011 is a deficient number, since it is larger than the sum of its proper divisors (28613).

12146011 is an equidigital number, since it uses as much as digits as its factorization.

12146011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28612.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 12146011 is about 3485.1127671856. The cubic root of 12146011 is about 229.8676680480.

It can be divided in two parts, 1214 and 6011, that added together give a square (7225 = 85²).

The spelling of 12146011 in words is "twelve million, one hundred forty-six thousand, eleven".