14211631 has 16 divisors (see below), whose sum is σ = 17132544. Its totient is φ = 11525184.

The previous prime is 14211623. The next prime is 14211641. The reversal of 14211631 is 13611241.

It is a cyclic number.

It is not a de Polignac number, because 14211631 - 2³ = 14211623 is a prime.

It is a super-2 number, since 2×14211631² = 403940911360322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14211599 and 14211608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14211641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16155 + ... + 17011.

It is an arithmetic number, because the mean of its divisors is an integer number (1070784).

Almost surely, 2^14211631 is an apocalyptic number.

14211631 is a deficient number, since it is larger than the sum of its proper divisors (2920913).

14211631 is a wasteful number, since it uses less digits than its factorization.

14211631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990.

The product of its digits is 144, while the sum is 19.

The square root of 14211631 is about 3769.8316938558. The cubic root of 14211631 is about 242.2225885005. Note that the first 3 decimals are identical.

Adding to 14211631 its reverse (13611241), we get a palindrome (27822872).

The spelling of 14211631 in words is "fourteen million, two hundred eleven thousand, six hundred thirty-one".