13704949 has 2 divisors, whose sum is σ = 13704950. Its totient is φ = 13704948.

The previous prime is 13704923. The next prime is 13704959. The reversal of 13704949 is 94940731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12830724 + 874225 = 3582^2 + 935^2 .

It is an emirp because it is prime and its reverse (94940731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13704949 - 2⁹ = 13704437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13704959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6852474 + 6852475.

It is an arithmetic number, because the mean of its divisors is an integer number (6852475).

Almost surely, 2^13704949 is an apocalyptic number.

It is an amenable number.

13704949 is a deficient number, since it is larger than the sum of its proper divisors (1).

13704949 is an equidigital number, since it uses as much as digits as its factorization.

13704949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 13704949 is about 3702.0195839568. The cubic root of 13704949 is about 239.3090602051.

The spelling of 13704949 in words is "thirteen million, seven hundred four thousand, nine hundred forty-nine".