13016623 has 2 divisors, whose sum is σ = 13016624. Its totient is φ = 13016622.

The previous prime is 13016599. The next prime is 13016677. The reversal of 13016623 is 32661031.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13016623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13016594 and 13016603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13016123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6508311 + 6508312.

It is an arithmetic number, because the mean of its divisors is an integer number (6508312).

Almost surely, 2^13016623 is an apocalyptic number.

13016623 is a deficient number, since it is larger than the sum of its proper divisors (1).

13016623 is an equidigital number, since it uses as much as digits as its factorization.

13016623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 13016623 is about 3607.8557343663. The cubic root of 13016623 is about 235.2336472043.

Adding to 13016623 its reverse (32661031), we get a palindrome (45677654).

The spelling of 13016623 in words is "thirteen million, sixteen thousand, six hundred twenty-three".