12045315 has 16 divisors (see below), whose sum is σ = 19427328. Its totient is φ = 6372576.

The previous prime is 12045277. The next prime is 12045317. The reversal of 12045315 is 51354021.

12045315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12045315 - 2⁶ = 12045251 is a prime.

It is a super-2 number, since 2×12045315² = 290179226898450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12045291 and 12045300.

It is not an unprimeable number, because it can be changed into a prime (12045317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1257 + ... + 5066.

It is an arithmetic number, because the mean of its divisors is an integer number (1214208).

Almost surely, 2^12045315 is an apocalyptic number.

12045315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12045315 is a deficient number, since it is larger than the sum of its proper divisors (7382013).

12045315 is a wasteful number, since it uses less digits than its factorization.

12045315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6458.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 12045315 is about 3470.6361088423. The cubic root of 12045315 is about 229.2306683315.

Adding to 12045315 its reverse (51354021), we get a palindrome (63399336).

The spelling of 12045315 in words is "twelve million, forty-five thousand, three hundred fifteen".