13525340 has 24 divisors (see below), whose sum is σ = 29898960. Its totient is φ = 5125248.

The previous prime is 13525333. The next prime is 13525361. The reversal of 13525340 is 4352531.

13525340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17417 + ... + 18176.

It is an arithmetic number, because the mean of its divisors is an integer number (1245790).

Almost surely, 2^13525340 is an apocalyptic number.

13525340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13525340 is an abundant number, since it is smaller than the sum of its proper divisors (16373620).

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

13525340 is a wasteful number, since it uses less digits than its factorization.

13525340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35621 (or 35619 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 13525340 is about 3677.6813347543. The cubic root of 13525340 is about 238.2590452067.

Adding to 13525340 its reverse (4352531), we get a palindrome (17877871).

The spelling of 13525340 in words is "thirteen million, five hundred twenty-five thousand, three hundred forty".