13044623 has 2 divisors, whose sum is σ = 13044624. Its totient is φ = 13044622.

The previous prime is 13044613. The next prime is 13044631. The reversal of 13044623 is 32644031.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13044623 - 2¹² = 13040527 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13044613) 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 as a sum of consecutive naturals, namely, 6522311 + 6522312.

It is an arithmetic number, because the mean of its divisors is an integer number (6522312).

Almost surely, 2^13044623 is an apocalyptic number.

13044623 is a deficient number, since it is larger than the sum of its proper divisors (1).

13044623 is an equidigital number, since it uses as much as digits as its factorization.

13044623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 13044623 is about 3611.7340710523. The cubic root of 13044623 is about 235.4021964253.

Adding to 13044623 its reverse (32644031), we get a palindrome (45688654).

The spelling of 13044623 in words is "thirteen million, forty-four thousand, six hundred twenty-three".