13603631 has 2 divisors, whose sum is σ = 13603632. Its totient is φ = 13603630.

The previous prime is 13603607. The next prime is 13603643. The reversal of 13603631 is 13630631.

13603631 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13603631 - 2⁶ = 13603567 is a prime.

It is a super-2 number, since 2×13603631² = 370117552768322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13603597 and 13603606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13603661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6801815 + 6801816.

It is an arithmetic number, because the mean of its divisors is an integer number (6801816).

Almost surely, 2^13603631 is an apocalyptic number.

13603631 is a deficient number, since it is larger than the sum of its proper divisors (1).

13603631 is an equidigital number, since it uses as much as digits as its factorization.

13603631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 13603631 is about 3688.3100466203. The cubic root of 13603631 is about 238.7178793260.

Subtracting 13603631 from its reverse (13630631), we obtain a cube (27000 = 30³).

The spelling of 13603631 in words is "thirteen million, six hundred three thousand, six hundred thirty-one".