12545315 has 4 divisors (see below), whose sum is σ = 15054384. Its totient is φ = 10036248.

The previous prime is 12545261. The next prime is 12545333. The reversal of 12545315 is 51354521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51354521 = 269 ⋅190909.

It is a cyclic number.

It is not a de Polignac number, because 12545315 - 2⁸ = 12545059 is a prime.

It is a super-3 number, since 3×12545315³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

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, 1254527 + ... + 1254536.

It is an arithmetic number, because the mean of its divisors is an integer number (3763596).

Almost surely, 2^12545315 is an apocalyptic number.

12545315 is a deficient number, since it is larger than the sum of its proper divisors (2509069).

12545315 is an equidigital number, since it uses as much as digits as its factorization.

12545315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2509068.

The product of its digits is 3000, while the sum is 26.

The square root of 12545315 is about 3541.9366171630. The cubic root of 12545315 is about 232.3595482694.

Adding to 12545315 its reverse (51354521), we get a palindrome (63899836).

The spelling of 12545315 in words is "twelve million, five hundred forty-five thousand, three hundred fifteen".