12521063 has 4 divisors (see below), whose sum is σ = 12697488. Its totient is φ = 12344640.

The previous prime is 12521053. The next prime is 12521081. The reversal of 12521063 is 36012521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36012521 = 601 ⋅59921.

It is a cyclic number.

It is not a de Polignac number, because 12521063 - 2⁶ = 12520999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12521053) 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, 88106 + ... + 88247.

It is an arithmetic number, because the mean of its divisors is an integer number (3174372).

Almost surely, 2^12521063 is an apocalyptic number.

12521063 is a deficient number, since it is larger than the sum of its proper divisors (176425).

12521063 is an equidigital number, since it uses as much as digits as its factorization.

12521063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176424.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 12521063 is about 3538.5114101837. The cubic root of 12521063 is about 232.2097229125.

Adding to 12521063 its reverse (36012521), we get a palindrome (48533584).

The spelling of 12521063 in words is "twelve million, five hundred twenty-one thousand, sixty-three".