13996730 has 64 divisors (see below), whose sum is σ = 29877120. Its totient is φ = 4665600.

The previous prime is 13996721. The next prime is 13996733. The reversal of 13996730 is 3769931.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (13996733) 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 31 ways as a sum of consecutive naturals, for example, 77240 + ... + 77420.

It is an arithmetic number, because the mean of its divisors is an integer number (466830).

Almost surely, 2^13996730 is an apocalyptic number.

13996730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13996730 is an abundant number, since it is smaller than the sum of its proper divisors (15880390).

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

13996730 is a wasteful number, since it uses less digits than its factorization.

13996730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255.

The product of its (nonzero) digits is 30618, while the sum is 38.

The square root of 13996730 is about 3741.2203891244. The cubic root of 13996730 is about 240.9954602773.

It can be divided in two parts, 139 and 96730, that added together give a palindrome (96869).

The spelling of 13996730 in words is "thirteen million, nine hundred ninety-six thousand, seven hundred thirty".