13726630 has 32 divisors (see below), whose sum is σ = 26495424. Its totient is φ = 5106816.

The previous prime is 13726619. The next prime is 13726639. The reversal of 13726630 is 3662731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13726639) 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 15 ways as a sum of consecutive naturals, for example, 7704 + ... + 9316.

It is an arithmetic number, because the mean of its divisors is an integer number (827982).

Almost surely, 2^13726630 is an apocalyptic number.

13726630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13726630 is a deficient number, since it is larger than the sum of its proper divisors (12768794).

13726630 is a wasteful number, since it uses less digits than its factorization.

13726630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 13726630 is about 3704.9466932737. The cubic root of 13726630 is about 239.4351880274.

The spelling of 13726630 in words is "thirteen million, seven hundred twenty-six thousand, six hundred thirty".