13101730 has 16 divisors (see below), whose sum is σ = 24970680. Its totient is φ = 4932352.

The previous prime is 13101727. The next prime is 13101749. The reversal of 13101730 is 3710131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13053769 + 47961 = 3613^2 + 219^2 .

It is an unprimeable number.

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, 38365 + ... + 38704.

Almost surely, 2^13101730 is an apocalyptic number.

13101730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13101730 is a deficient number, since it is larger than the sum of its proper divisors (11868950).

13101730 is a wasteful number, since it uses less digits than its factorization.

13101730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77093.

The product of its (nonzero) digits is 63, while the sum is 16.

The square root of 13101730 is about 3619.6311966829. The cubic root of 13101730 is about 235.7452124360.

Adding to 13101730 its reverse (3710131), we get a palindrome (16811861).

It can be divided in two parts, 13101 and 730, that added together give a palindrome (13831).

The spelling of 13101730 in words is "thirteen million, one hundred one thousand, seven hundred thirty".