12145933 has 4 divisors (see below), whose sum is σ = 12157308. Its totient is φ = 12134560.

The previous prime is 12145907. The next prime is 12145937. The reversal of 12145933 is 33954121.

12145933 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6749604 + 5396329 = 2598^2 + 2323^2 .

It is a cyclic number.

It is not a de Polignac number, because 12145933 - 2⁵ = 12145901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12145937) 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, 3898 + ... + 6283.

It is an arithmetic number, because the mean of its divisors is an integer number (3039327).

Almost surely, 2^12145933 is an apocalyptic number.

It is an amenable number.

12145933 is a deficient number, since it is larger than the sum of its proper divisors (11375).

12145933 is a wasteful number, since it uses less digits than its factorization.

12145933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11374.

The product of its digits is 3240, while the sum is 28.

The square root of 12145933 is about 3485.1015767119. The cubic root of 12145933 is about 229.8671759875.

The spelling of 12145933 in words is "twelve million, one hundred forty-five thousand, nine hundred thirty-three".