13973761 has 2 divisors, whose sum is σ = 13973762. Its totient is φ = 13973760.

The previous prime is 13973749. The next prime is 13973767. The reversal of 13973761 is 16737931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10439361 + 3534400 = 3231^2 + 1880^2 .

It is a cyclic number.

It is not a de Polignac number, because 13973761 - 2²¹ = 11876609 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13973761.

It is not a weakly prime, because it can be changed into another prime (13973767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6986880 + 6986881.

It is an arithmetic number, because the mean of its divisors is an integer number (6986881).

Almost surely, 2^13973761 is an apocalyptic number.

It is an amenable number.

13973761 is a deficient number, since it is larger than the sum of its proper divisors (1).

13973761 is an equidigital number, since it uses as much as digits as its factorization.

13973761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23814, while the sum is 37.

The square root of 13973761 is about 3738.1494084640. The cubic root of 13973761 is about 240.8635614834.

The spelling of 13973761 in words is "thirteen million, nine hundred seventy-three thousand, seven hundred sixty-one".