13342520 has 16 divisors (see below), whose sum is σ = 30020760. Its totient is φ = 5336992.

The previous prime is 13342489. The next prime is 13342529. The reversal of 13342520 is 2524331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 13342492 and 13342501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13342529) by changing a digit.

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, 166742 + ... + 166821.

Almost surely, 2^13342520 is an apocalyptic number.

13342520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13342520 is an abundant number, since it is smaller than the sum of its proper divisors (16678240).

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

13342520 is a wasteful number, since it uses less digits than its factorization.

13342520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333574 (or 333570 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 13342520 is about 3652.7414362366. The cubic root of 13342520 is about 237.1806677851.

Adding to 13342520 its reverse (2524331), we get a palindrome (15866851).

The spelling of 13342520 in words is "thirteen million, three hundred forty-two thousand, five hundred twenty".