14087631 has 4 divisors (see below), whose sum is σ = 18783512. Its totient is φ = 9391752.

The previous prime is 14087629. The next prime is 14087653. The reversal of 14087631 is 13678041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 14087631 - 2¹ = 14087629 is a prime.

It is a super-2 number, since 2×14087631² = 396922694384322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14087681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2347936 + ... + 2347941.

It is an arithmetic number, because the mean of its divisors is an integer number (4695878).

Almost surely, 2^14087631 is an apocalyptic number.

14087631 is a deficient number, since it is larger than the sum of its proper divisors (4695881).

14087631 is an equidigital number, since it uses as much as digits as its factorization.

14087631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4695880.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 14087631 is about 3753.3493042881. The cubic root of 14087631 is about 241.5160455542.

The spelling of 14087631 in words is "fourteen million, eighty-seven thousand, six hundred thirty-one".