13554949 has 2 divisors, whose sum is σ = 13554950. Its totient is φ = 13554948.

The previous prime is 13554929. The next prime is 13554997. The reversal of 13554949 is 94945531.

13554949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11437924 + 2117025 = 3382^2 + 1455^2 .

It is a cyclic number.

It is not a de Polignac number, because 13554949 - 2¹¹ = 13552901 is a prime.

It is a zygodrome in base 3.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13554929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6777474 + 6777475.

It is an arithmetic number, because the mean of its divisors is an integer number (6777475).

Almost surely, 2^13554949 is an apocalyptic number.

It is an amenable number.

13554949 is a deficient number, since it is larger than the sum of its proper divisors (1).

13554949 is an equidigital number, since it uses as much as digits as its factorization.

13554949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97200, while the sum is 40.

The square root of 13554949 is about 3681.7046323680. The cubic root of 13554949 is about 238.4327800987.

The spelling of 13554949 in words is "thirteen million, five hundred fifty-four thousand, nine hundred forty-nine".