13670330 has 16 divisors (see below), whose sum is σ = 24683400. Its totient is φ = 5451072.

The previous prime is 13670317. The next prime is 13670333. The reversal of 13670330 is 3307631.

It can be written as a sum of positive squares in 4 ways, for example, as 13256881 + 413449 = 3641^2 + 643^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13670296 and 13670305.

It is not an unprimeable number, because it can be changed into a prime (13670333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1532 + ... + 5448.

Almost surely, 2^13670330 is an apocalyptic number.

13670330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13670330 is a deficient number, since it is larger than the sum of its proper divisors (11013070).

13670330 is a wasteful number, since it uses less digits than its factorization.

13670330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4273.

The product of its (nonzero) digits is 1134, while the sum is 23.

The square root of 13670330 is about 3697.3409364028. The cubic root of 13670330 is about 239.1073903341.

Adding to 13670330 its reverse (3307631), we get a palindrome (16977961).

The spelling of 13670330 in words is "thirteen million, six hundred seventy thousand, three hundred thirty".