13524340 has 12 divisors (see below), whose sum is σ = 28401156. Its totient is φ = 5409728.

The previous prime is 13524337. The next prime is 13524341. The reversal of 13524340 is 4342531.

It can be written as a sum of positive squares in 2 ways, for example, as 8832784 + 4691556 = 2972^2 + 2166^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13524341) 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, 338089 + ... + 338128.

It is an arithmetic number, because the mean of its divisors is an integer number (2366763).

Almost surely, 2^13524340 is an apocalyptic number.

13524340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13524340 is an abundant number, since it is smaller than the sum of its proper divisors (14876816).

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

13524340 is a wasteful number, since it uses less digits than its factorization.

13524340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676226 (or 676224 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 13524340 is about 3677.5453770144. The cubic root of 13524340 is about 238.2531731444.

Adding to 13524340 its reverse (4342531), we get a palindrome (17866871).

The spelling of 13524340 in words is "thirteen million, five hundred twenty-four thousand, three hundred forty".