12413520 has 160 divisors (see below), whose sum is σ = 48925440. Its totient is φ = 2833920.

The previous prime is 12413509. The next prime is 12413521. The reversal of 12413520 is 2531421.

12413520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12413493 and 12413502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12413521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14710 + ... + 15530.

It is an arithmetic number, because the mean of its divisors is an integer number (305784).

Almost surely, 2^12413520 is an apocalyptic number.

12413520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12413520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24462720).

12413520 is an abundant number, since it is smaller than the sum of its proper divisors (36511920).

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

12413520 is a wasteful number, since it uses less digits than its factorization.

12413520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850 (or 838 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 12413520 is about 3523.2825603406. The cubic root of 12413520 is about 231.5429965216.

Adding to 12413520 its reverse (2531421), we get a palindrome (14944941).

It can be divided in two parts, 1241 and 3520, that added together give a square (4761 = 69²).

The spelling of 12413520 in words is "twelve million, four hundred thirteen thousand, five hundred twenty".