13548631 has 2 divisors, whose sum is σ = 13548632. Its totient is φ = 13548630.

The previous prime is 13548611. The next prime is 13548641. The reversal of 13548631 is 13684531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13548631 - 2⁵ = 13548599 is a prime.

It is a super-2 number, since 2×13548631² = 367130803948322, which contains 22 as substring.

It is equal to p₈₈₂₅₆₂ and since 13548631 and 882562 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 13548593 and 13548602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13548611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6774315 + 6774316.

It is an arithmetic number, because the mean of its divisors is an integer number (6774316).

Almost surely, 2^13548631 is an apocalyptic number.

13548631 is a deficient number, since it is larger than the sum of its proper divisors (1).

13548631 is an equidigital number, since it uses as much as digits as its factorization.

13548631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 31.

The square root of 13548631 is about 3680.8465059005. The cubic root of 13548631 is about 238.3957296110.

The spelling of 13548631 in words is "thirteen million, five hundred forty-eight thousand, six hundred thirty-one".