12054515 has 16 divisors (see below), whose sum is σ = 16043616. Its totient is φ = 8620800.

The previous prime is 12054509. The next prime is 12054521. The reversal of 12054515 is 51545021.

It is a happy number.

12054515 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12054509) and next prime (12054521).

It is not a de Polignac number, because 12054515 - 2⁴ = 12054499 is a prime.

It is a super-2 number, since 2×12054515² = 290622663770450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1559 + ... + 5151.

It is an arithmetic number, because the mean of its divisors is an integer number (1002726).

Almost surely, 2^12054515 is an apocalyptic number.

12054515 is a deficient number, since it is larger than the sum of its proper divisors (3989101).

12054515 is a wasteful number, since it uses less digits than its factorization.

12054515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3670.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 12054515 is about 3471.9612613046. The cubic root of 12054515 is about 229.2890142653.

Adding to 12054515 its reverse (51545021), we get a palindrome (63599536).

The spelling of 12054515 in words is "twelve million, fifty-four thousand, five hundred fifteen".