12545427 has 8 divisors (see below), whose sum is σ = 16807360. Its totient is φ = 8323560.

The previous prime is 12545417. The next prime is 12545447. The reversal of 12545427 is 72454521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12545427 - 2⁴ = 12545411 is a prime.

It is a super-2 number, since 2×12545427² = 314775477224658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12545394 and 12545403.

It is not an unprimeable number, because it can be changed into a prime (12545417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9277 + ... + 10542.

It is an arithmetic number, because the mean of its divisors is an integer number (2100920).

Almost surely, 2^12545427 is an apocalyptic number.

12545427 is a deficient number, since it is larger than the sum of its proper divisors (4261933).

12545427 is a wasteful number, since it uses less digits than its factorization.

12545427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20033.

The product of its digits is 11200, while the sum is 30.

The square root of 12545427 is about 3541.9524276873. The cubic root of 12545427 is about 232.3602397411.

Adding to 12545427 its reverse (72454521), we get a palindrome (84999948).

The spelling of 12545427 in words is "twelve million, five hundred forty-five thousand, four hundred twenty-seven".