12513241 has 16 divisors (see below), whose sum is σ = 14627088. Its totient is φ = 10598400.

The previous prime is 12513227. The next prime is 12513269. The reversal of 12513241 is 14231521.

It can be written as a sum of positive squares in 8 ways, for example, as 1490841 + 11022400 = 1221^2 + 3320^2 .

It is a cyclic number.

It is not a de Polignac number, because 12513241 - 2⁵ = 12513209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12513271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8371 + ... + 9751.

It is an arithmetic number, because the mean of its divisors is an integer number (914193).

Almost surely, 2^12513241 is an apocalyptic number.

It is an amenable number.

12513241 is a deficient number, since it is larger than the sum of its proper divisors (2113847).

12513241 is a wasteful number, since it uses less digits than its factorization.

12513241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452.

The product of its digits is 240, while the sum is 19.

The square root of 12513241 is about 3537.4059704818. The cubic root of 12513241 is about 232.1613584668.

Adding to 12513241 its reverse (14231521), we get a palindrome (26744762).

It can be divided in two parts, 125 and 13241, that added together give a triangular number (13366 = T₁₆₃).

The spelling of 12513241 in words is "twelve million, five hundred thirteen thousand, two hundred forty-one".