13864634 has 8 divisors (see below), whose sum is σ = 23767968. Its totient is φ = 5941980.

The previous prime is 13864621. The next prime is 13864649. The reversal of 13864634 is 43646831.

13864634 is nontrivially palindromic in base 3.

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

It is a junction number, because it is equal to n+sod(n) for n = 13864594 and 13864603.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 495152 + ... + 495179.

It is an arithmetic number, because the mean of its divisors is an integer number (2970996).

Almost surely, 2^13864634 is an apocalyptic number.

13864634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13864634 is a deficient number, since it is larger than the sum of its proper divisors (9903334).

13864634 is an equidigital number, since it uses as much as digits as its factorization.

13864634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990340.

The product of its digits is 41472, while the sum is 35.

The square root of 13864634 is about 3723.5244057210. The cubic root of 13864634 is about 240.2349204395.

The spelling of 13864634 in words is "thirteen million, eight hundred sixty-four thousand, six hundred thirty-four".