13926631 has 8 divisors (see below), whose sum is σ = 14182560. Its totient is φ = 13673088.

The previous prime is 13926629. The next prime is 13926637. The reversal of 13926631 is 13662931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13926631 - 2¹ = 13926629 is a prime.

It is a super-2 number, since 2×13926631² = 387902102020322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13926593 and 13926602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13926637) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 14395 + ... + 15331.

It is an arithmetic number, because the mean of its divisors is an integer number (1772820).

Almost surely, 2^13926631 is an apocalyptic number.

13926631 is a deficient number, since it is larger than the sum of its proper divisors (255929).

13926631 is an equidigital number, since it uses as much as digits as its factorization.

13926631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193.

The product of its digits is 5832, while the sum is 31.

The square root of 13926631 is about 3731.8401627079. The cubic root of 13926631 is about 240.5924656300.

The spelling of 13926631 in words is "thirteen million, nine hundred twenty-six thousand, six hundred thirty-one".