13123663 has 8 divisors (see below), whose sum is σ = 15023232. Its totient is φ = 11230296.

The previous prime is 13123603. The next prime is 13123679. The reversal of 13123663 is 36632131.

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

It is not a de Polignac number, because 13123663 - 2¹³ = 13115471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123603) 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, 4656 + ... + 6922.

It is an arithmetic number, because the mean of its divisors is an integer number (1877904).

Almost surely, 2^13123663 is an apocalyptic number.

13123663 is a deficient number, since it is larger than the sum of its proper divisors (1899569).

13123663 is an equidigital number, since it uses as much as digits as its factorization.

13123663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3101.

The product of its digits is 1944, while the sum is 25.

The square root of 13123663 is about 3622.6596583174. The cubic root of 13123663 is about 235.8766891478.

Adding to 13123663 its reverse (36632131), we get a palindrome (49755794).

The spelling of 13123663 in words is "thirteen million, one hundred twenty-three thousand, six hundred sixty-three".