13427340 has 48 divisors (see below), whose sum is σ = 38814720. Its totient is φ = 3464640.

The previous prime is 13427333. The next prime is 13427353. The reversal of 13427340 is 4372431.

It is a self number, because there is not a number n which added to its sum of digits gives 13427340.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1750 + ... + 5469.

It is an arithmetic number, because the mean of its divisors is an integer number (808640).

Almost surely, 2^13427340 is an apocalyptic number.

13427340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13427340 is an abundant number, since it is smaller than the sum of its proper divisors (25387380).

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

13427340 is a wasteful number, since it uses less digits than its factorization.

13427340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7262 (or 7260 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 13427340 is about 3664.3335001061. Note that the first 3 decimals coincide. The cubic root of 13427340 is about 237.6822018289.

Adding to 13427340 its reverse (4372431), we get a palindrome (17799771).

The spelling of 13427340 in words is "thirteen million, four hundred twenty-seven thousand, three hundred forty".