12353520 has 40 divisors (see below), whose sum is σ = 38296656. Its totient is φ = 3294208.

The previous prime is 12353501. The next prime is 12353521. The reversal of 12353520 is 2535321.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12353521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25497 + ... + 25976.

Almost surely, 2^12353520 is an apocalyptic number.

12353520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12353520 is an abundant number, since it is smaller than the sum of its proper divisors (25943136).

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

12353520 is a wasteful number, since it uses less digits than its factorization.

12353520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51489 (or 51483 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 12353520 is about 3514.7574596265. The cubic root of 12353520 is about 231.1693441632.

Adding to 12353520 its reverse (2535321), we get a palindrome (14888841).

The spelling of 12353520 in words is "twelve million, three hundred fifty-three thousand, five hundred twenty".