13023963 has 16 divisors (see below), whose sum is σ = 19817760. Its totient is φ = 8447328.

The previous prime is 13023961. The next prime is 13023971. The reversal of 13023963 is 36932031.

It is not a de Polignac number, because 13023963 - 2¹ = 13023961 is a prime.

It is a super-2 number, since 2×13023963² = 339247224450738, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13023961) 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, 5520 + ... + 7517.

It is an arithmetic number, because the mean of its divisors is an integer number (1238610).

Almost surely, 2^13023963 is an apocalyptic number.

13023963 is a deficient number, since it is larger than the sum of its proper divisors (6793797).

13023963 is a wasteful number, since it uses less digits than its factorization.

13023963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13083 (or 13077 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

The square root of 13023963 is about 3608.8728157141. The cubic root of 13023963 is about 235.2778545365.

Adding to 13023963 its reverse (36932031), we get a palindrome (49955994).

The spelling of 13023963 in words is "thirteen million, twenty-three thousand, nine hundred sixty-three".