13704631 has 2 divisors, whose sum is σ = 13704632. Its totient is φ = 13704630.

The previous prime is 13704623. The next prime is 13704641. The reversal of 13704631 is 13640731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13704631 - 2³ = 13704623 is a prime.

It is a super-2 number, since 2×13704631² = 375633821692322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13704596 and 13704605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13704641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6852315 + 6852316.

It is an arithmetic number, because the mean of its divisors is an integer number (6852316).

Almost surely, 2^13704631 is an apocalyptic number.

13704631 is a deficient number, since it is larger than the sum of its proper divisors (1).

13704631 is an equidigital number, since it uses as much as digits as its factorization.

13704631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 13704631 is about 3701.9766341780. The cubic root of 13704631 is about 239.3072092710.

The spelling of 13704631 in words is "thirteen million, seven hundred four thousand, six hundred thirty-one".