13938553 has 2 divisors, whose sum is σ = 13938554. Its totient is φ = 13938552.

The previous prime is 13938527. The next prime is 13938559. The reversal of 13938553 is 35583931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13638249 + 300304 = 3693^2 + 548^2 .

It is a cyclic number.

It is not a de Polignac number, because 13938553 - 2¹⁷ = 13807481 is a prime.

It is not a weakly prime, because it can be changed into another prime (13938559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6969276 + 6969277.

It is an arithmetic number, because the mean of its divisors is an integer number (6969277).

Almost surely, 2^13938553 is an apocalyptic number.

It is an amenable number.

13938553 is a deficient number, since it is larger than the sum of its proper divisors (1).

13938553 is an equidigital number, since it uses as much as digits as its factorization.

13938553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48600, while the sum is 37.

The square root of 13938553 is about 3733.4371562945. The cubic root of 13938553 is about 240.6610997281.

The spelling of 13938553 in words is "thirteen million, nine hundred thirty-eight thousand, five hundred fifty-three".