13750973 has 2 divisors, whose sum is σ = 13750974. Its totient is φ = 13750972.

The previous prime is 13750969. The next prime is 13750991. The reversal of 13750973 is 37905731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7689529 + 6061444 = 2773^2 + 2462^2 .

It is a cyclic number.

It is not a de Polignac number, because 13750973 - 2² = 13750969 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13750993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6875486 + 6875487.

It is an arithmetic number, because the mean of its divisors is an integer number (6875487).

Almost surely, 2^13750973 is an apocalyptic number.

It is an amenable number.

13750973 is a deficient number, since it is larger than the sum of its proper divisors (1).

13750973 is an equidigital number, since it uses as much as digits as its factorization.

13750973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19845, while the sum is 35.

The square root of 13750973 is about 3708.2304405201. The cubic root of 13750973 is about 239.5766436914.

The spelling of 13750973 in words is "thirteen million, seven hundred fifty thousand, nine hundred seventy-three".