13804631 has 2 divisors, whose sum is σ = 13804632. Its totient is φ = 13804630.

The previous prime is 13804619. The next prime is 13804657. The reversal of 13804631 is 13640831.

13804631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (13804657) can be obtained adding 13804631 to its sum of digits (26).

It is a weak prime.

It is an emirp because it is prime and its reverse (13640831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13804631 - 2²² = 9610327 is a prime.

It is a super-2 number, since 2×13804631² = 381135674092322, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13804631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13804691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6902315 + 6902316.

It is an arithmetic number, because the mean of its divisors is an integer number (6902316).

Almost surely, 2^13804631 is an apocalyptic number.

13804631 is a deficient number, since it is larger than the sum of its proper divisors (1).

13804631 is an equidigital number, since it uses as much as digits as its factorization.

13804631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 13804631 is about 3715.4583835645. The cubic root of 13804631 is about 239.8878584890.

The spelling of 13804631 in words is "thirteen million, eight hundred four thousand, six hundred thirty-one".