12545611 has 4 divisors (see below), whose sum is σ = 13510672. Its totient is φ = 11580552.

The previous prime is 12545593. The next prime is 12545633. The reversal of 12545611 is 11654521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11654521 = 773 ⋅15077.

It is a cyclic number.

It is not a de Polignac number, because 12545611 - 2¹³ = 12537419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12545641) 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, 482511 + ... + 482536.

It is an arithmetic number, because the mean of its divisors is an integer number (3377668).

Almost surely, 2^12545611 is an apocalyptic number.

12545611 is a deficient number, since it is larger than the sum of its proper divisors (965061).

12545611 is an equidigital number, since it uses as much as digits as its factorization.

12545611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965060.

The product of its digits is 1200, while the sum is 25.

The square root of 12545611 is about 3541.9784019669. The cubic root of 12545611 is about 232.3613757214.

The spelling of 12545611 in words is "twelve million, five hundred forty-five thousand, six hundred eleven".