14387631 has 8 divisors (see below), whose sum is σ = 19259184. Its totient is φ = 9553920.

The previous prime is 14387629. The next prime is 14387641. The reversal of 14387631 is 13678341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14387631 - 2¹ = 14387629 is a prime.

It is a super-2 number, since 2×14387631² = 414007851584322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14387592 and 14387601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14387641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8560 + ... + 10101.

It is an arithmetic number, because the mean of its divisors is an integer number (2407398).

Almost surely, 2^14387631 is an apocalyptic number.

14387631 is a deficient number, since it is larger than the sum of its proper divisors (4871553).

14387631 is a wasteful number, since it uses less digits than its factorization.

14387631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18921.

The product of its digits is 12096, while the sum is 33.

The square root of 14387631 is about 3793.1030832288. The cubic root of 14387631 is about 243.2184017611.

The spelling of 14387631 in words is "fourteen million, three hundred eighty-seven thousand, six hundred thirty-one".