12545238 has 8 divisors (see below), whose sum is σ = 25090488. Its totient is φ = 4181744.

The previous prime is 12545237. The next prime is 12545243. The reversal of 12545238 is 83254521.

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

12545238 is an admirable number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12545233) 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, 1045431 + ... + 1045442.

It is an arithmetic number, because the mean of its divisors is an integer number (3136311).

Almost surely, 2^12545238 is an apocalyptic number.

12545238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12545238 is a wasteful number, since it uses less digits than its factorization.

12545238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090878.

The product of its digits is 9600, while the sum is 30.

The square root of 12545238 is about 3541.9257473866. The cubic root of 12545238 is about 232.3590728802.

Adding to 12545238 its reverse (83254521), we get a palindrome (95799759).

The spelling of 12545238 in words is "twelve million, five hundred forty-five thousand, two hundred thirty-eight".