13997741 has 2 divisors, whose sum is σ = 13997742. Its totient is φ = 13997740.

The previous prime is 13997719. The next prime is 13997759. The reversal of 13997741 is 14779931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13169641 + 828100 = 3629^2 + 910^2 .

It is a cyclic number.

It is not a de Polignac number, because 13997741 - 2¹⁸ = 13735597 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13997761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6998870 + 6998871.

It is an arithmetic number, because the mean of its divisors is an integer number (6998871).

Almost surely, 2^13997741 is an apocalyptic number.

It is an amenable number.

13997741 is a deficient number, since it is larger than the sum of its proper divisors (1).

13997741 is an equidigital number, since it uses as much as digits as its factorization.

13997741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47628, while the sum is 41.

The square root of 13997741 is about 3741.3555030229. The cubic root of 13997741 is about 241.0012625979.

The spelling of 13997741 in words is "thirteen million, nine hundred ninety-seven thousand, seven hundred forty-one".