12548445 has 64 divisors (see below), whose sum is σ = 25643520. Its totient is φ = 5096448.

The previous prime is 12548443. The next prime is 12548467. The reversal of 12548445 is 54484521.

12548445 = T₄₇₉ + T₄₈₀ + ... + T₅₆₉.

It is a happy number.

It is not a de Polignac number, because 12548445 - 2¹ = 12548443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12548443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 39427 + ... + 39743.

It is an arithmetic number, because the mean of its divisors is an integer number (400680).

Almost surely, 2^12548445 is an apocalyptic number.

12548445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12548445 is an abundant number, since it is smaller than the sum of its proper divisors (13095075).

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

12548445 is a wasteful number, since it uses less digits than its factorization.

12548445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374.

The product of its digits is 25600, while the sum is 33.

The square root of 12548445 is about 3542.3784382813. The cubic root of 12548445 is about 232.3788708853.

The spelling of 12548445 in words is "twelve million, five hundred forty-eight thousand, four hundred forty-five".