12462545 has 4 divisors (see below), whose sum is σ = 14955060. Its totient is φ = 9970032.

The previous prime is 12462539. The next prime is 12462551. The reversal of 12462545 is 54526421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54526421 = 293 ⋅186097.

It is an interprime number because it is at equal distance from previous prime (12462539) and next prime (12462551).

It can be written as a sum of positive squares in 2 ways, for example, as 5764801 + 6697744 = 2401^2 + 2588^2 .

It is a cyclic number.

It is not a de Polignac number, because 12462545 - 2¹⁶ = 12397009 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1246250 + ... + 1246259.

It is an arithmetic number, because the mean of its divisors is an integer number (3738765).

Almost surely, 2^12462545 is an apocalyptic number.

It is an amenable number.

12462545 is a deficient number, since it is larger than the sum of its proper divisors (2492515).

12462545 is an equidigital number, since it uses as much as digits as its factorization.

12462545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2492514.

The product of its digits is 9600, while the sum is 29.

The square root of 12462545 is about 3530.2329951435. The cubic root of 12462545 is about 231.8474088253.

Adding to 12462545 its reverse (54526421), we get a palindrome (66988966).

The spelling of 12462545 in words is "twelve million, four hundred sixty-two thousand, five hundred forty-five".