13636023 has 8 divisors (see below), whose sum is σ = 19250928. Its totient is φ = 8555904.

The previous prime is 13636013. The next prime is 13636027. The reversal of 13636023 is 32063631.

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

It is not a de Polignac number, because 13636023 - 2⁵ = 13635991 is a prime.

It is a super-2 number, since 2×13636023² = 371882246513058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13635984 and 13636002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13636027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133636 + ... + 133737.

It is an arithmetic number, because the mean of its divisors is an integer number (2406366).

Almost surely, 2^13636023 is an apocalyptic number.

13636023 is a deficient number, since it is larger than the sum of its proper divisors (5614905).

13636023 is a wasteful number, since it uses less digits than its factorization.

13636023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267393.

The product of its (nonzero) digits is 1944, while the sum is 24.

The square root of 13636023 is about 3692.6986067103. The cubic root of 13636023 is about 238.9072018251.

Adding to 13636023 its reverse (32063631), we get a palindrome (45699654).

The spelling of 13636023 in words is "thirteen million, six hundred thirty-six thousand, twenty-three".