12045371 has 4 divisors (see below), whose sum is σ = 12971952. Its totient is φ = 11118792.

The previous prime is 12045347. The next prime is 12045409. The reversal of 12045371 is 17354021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17354021 = 89 ⋅194989.

It is a cyclic number.

It is not a de Polignac number, because 12045371 - 2¹⁴ = 12028987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12045071) 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, 463271 + ... + 463296.

It is an arithmetic number, because the mean of its divisors is an integer number (3242988).

Almost surely, 2^12045371 is an apocalyptic number.

12045371 is a deficient number, since it is larger than the sum of its proper divisors (926581).

12045371 is an equidigital number, since it uses as much as digits as its factorization.

12045371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926580.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 12045371 is about 3470.6441765182. The cubic root of 12045371 is about 229.2310235705.

Adding to 12045371 its reverse (17354021), we get a palindrome (29399392).

The spelling of 12045371 in words is "twelve million, forty-five thousand, three hundred seventy-one".