12145235 has 4 divisors (see below), whose sum is σ = 14574288. Its totient is φ = 9716184.

The previous prime is 12145201. The next prime is 12145241. The reversal of 12145235 is 53254121.

12145235 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.

It is a cyclic number.

It is not a de Polignac number, because 12145235 - 2¹² = 12141139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12145235.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1214519 + ... + 1214528.

It is an arithmetic number, because the mean of its divisors is an integer number (3643572).

Almost surely, 2^12145235 is an apocalyptic number.

12145235 is a deficient number, since it is larger than the sum of its proper divisors (2429053).

12145235 is an equidigital number, since it uses as much as digits as its factorization.

12145235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2429052.

The product of its digits is 1200, while the sum is 23.

The square root of 12145235 is about 3485.0014347199. The cubic root of 12145235 is about 229.8627725831.

Adding to 12145235 its reverse (53254121), we get a palindrome (65399356).

The spelling of 12145235 in words is "twelve million, one hundred forty-five thousand, two hundred thirty-five".