13758973 has 2 divisors, whose sum is σ = 13758974. Its totient is φ = 13758972.

The previous prime is 13758949. The next prime is 13759003. The reversal of 13758973 is 37985731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7112889 + 6646084 = 2667^2 + 2578^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13758973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13758923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6879486 + 6879487.

It is an arithmetic number, because the mean of its divisors is an integer number (6879487).

Almost surely, 2^13758973 is an apocalyptic number.

It is an amenable number.

13758973 is a deficient number, since it is larger than the sum of its proper divisors (1).

13758973 is an equidigital number, since it uses as much as digits as its factorization.

13758973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 158760, while the sum is 43.

The square root of 13758973 is about 3709.3089652926. The cubic root of 13758973 is about 239.6230947459.

The spelling of 13758973 in words is "thirteen million, seven hundred fifty-eight thousand, nine hundred seventy-three".