13427540 has 24 divisors (see below), whose sum is σ = 32226432. Its totient is φ = 4603680.

The previous prime is 13427527. The next prime is 13427543. The reversal of 13427540 is 4572431.

13427540 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 not an unprimeable number, because it can be changed into a prime (13427543) 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, 47816 + ... + 48095.

It is an arithmetic number, because the mean of its divisors is an integer number (1342768).

Almost surely, 2^13427540 is an apocalyptic number.

13427540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13427540 is an abundant number, since it is smaller than the sum of its proper divisors (18798892).

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

13427540 is a wasteful number, since it uses less digits than its factorization.

13427540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95927 (or 95925 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 13427540 is about 3664.3607900970. The cubic root of 13427540 is about 237.6833819138.

Adding to 13427540 its reverse (4572431), we get a palindrome (17999971).

The spelling of 13427540 in words is "thirteen million, four hundred twenty-seven thousand, five hundred forty".