12565245 has 96 divisors (see below), whose sum is σ = 26966016. Its totient is φ = 4878720.

The previous prime is 12565243. The next prime is 12565249. The reversal of 12565245 is 54256521.

It is not a de Polignac number, because 12565245 - 2¹ = 12565243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12565243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 292194 + ... + 292236.

It is an arithmetic number, because the mean of its divisors is an integer number (280896).

Almost surely, 2^12565245 is an apocalyptic number.

12565245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12565245 is an abundant number, since it is smaller than the sum of its proper divisors (14400771).

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

12565245 is a wasteful number, since it uses less digits than its factorization.

12565245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 92 counting only the distinct ones).

The product of its digits is 12000, while the sum is 30.

The square root of 12565245 is about 3544.7489332815. The cubic root of 12565245 is about 232.4825284593.

The spelling of 12565245 in words is "twelve million, five hundred sixty-five thousand, two hundred forty-five".