12545697 has 4 divisors (see below), whose sum is σ = 16727600. Its totient is φ = 8363796.

The previous prime is 12545693. The next prime is 12545717. The reversal of 12545697 is 79654521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79654521 = 3 ⋅26551507.

It is not a de Polignac number, because 12545697 - 2² = 12545693 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12545693) 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, 2090947 + ... + 2090952.

It is an arithmetic number, because the mean of its divisors is an integer number (4181900).

Almost surely, 2^12545697 is an apocalyptic number.

It is an amenable number.

12545697 is a deficient number, since it is larger than the sum of its proper divisors (4181903).

12545697 is an equidigital number, since it uses as much as digits as its factorization.

12545697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4181902.

The product of its digits is 75600, while the sum is 39.

The square root of 12545697 is about 3541.9905420540. The cubic root of 12545697 is about 232.3619066649.

The spelling of 12545697 in words is "twelve million, five hundred forty-five thousand, six hundred ninety-seven".