13670240 has 24 divisors (see below), whose sum is σ = 32296320. Its totient is φ = 5468032.

The previous prime is 13670221. The next prime is 13670297. The reversal of 13670240 is 4207631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42560 + ... + 42879.

It is an arithmetic number, because the mean of its divisors is an integer number (1345680).

Almost surely, 2^13670240 is an apocalyptic number.

13670240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13670240 is an abundant number, since it is smaller than the sum of its proper divisors (18626080).

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

13670240 is an equidigital number, since it uses as much as digits as its factorization.

13670240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85454 (or 85446 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 13670240 is about 3697.3287654738. The cubic root of 13670240 is about 239.1068656037.

Adding to 13670240 its reverse (4207631), we get a palindrome (17877871).

The spelling of 13670240 in words is "thirteen million, six hundred seventy thousand, two hundred forty".