13023642 has 8 divisors (see below), whose sum is σ = 26047296. Its totient is φ = 4341212.

The previous prime is 13023641. The next prime is 13023677. The reversal of 13023642 is 24632031.

It is a happy number.

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

13023642 is an admirable number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (13023641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1085298 + ... + 1085309.

It is an arithmetic number, because the mean of its divisors is an integer number (3255912).

Almost surely, 2^13023642 is an apocalyptic number.

13023642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13023642 is a wasteful number, since it uses less digits than its factorization.

13023642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170612.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 13023642 is about 3608.8283417198. The cubic root of 13023642 is about 235.2759215659.

Adding to 13023642 its reverse (24632031), we get a palindrome (37655673).

The spelling of 13023642 in words is "thirteen million, twenty-three thousand, six hundred forty-two".