13730605 has 16 divisors (see below), whose sum is σ = 18984960. Its totient is φ = 9338112.

The previous prime is 13730593. The next prime is 13730617. The reversal of 13730605 is 50603731.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13730593) and next prime (13730617).

It is not a de Polignac number, because 13730605 - 2¹⁷ = 13599533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13730605.

It is a congruent number.

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, 2901 + ... + 5989.

It is an arithmetic number, because the mean of its divisors is an integer number (1186560).

Almost surely, 2^13730605 is an apocalyptic number.

It is an amenable number.

13730605 is a deficient number, since it is larger than the sum of its proper divisors (5254355).

13730605 is a wasteful number, since it uses less digits than its factorization.

13730605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3228.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 13730605 is about 3705.4830994082. The cubic root of 13730605 is about 239.4582979244.

The spelling of 13730605 in words is "thirteen million, seven hundred thirty thousand, six hundred five".