13555149 has 8 divisors (see below), whose sum is σ = 18141312. Its totient is φ = 9002880.

The previous prime is 13555147. The next prime is 13555177. The reversal of 13555149 is 94155531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13555149 - 2¹ = 13555147 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13555147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7524 + ... + 9149.

It is an arithmetic number, because the mean of its divisors is an integer number (2267664).

Almost surely, 2^13555149 is an apocalyptic number.

It is an amenable number.

13555149 is a deficient number, since it is larger than the sum of its proper divisors (4586163).

13555149 is a wasteful number, since it uses less digits than its factorization.

13555149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16947.

The product of its digits is 13500, while the sum is 33.

The square root of 13555149 is about 3681.7317935993. The cubic root of 13555149 is about 238.4339527656.

The spelling of 13555149 in words is "thirteen million, five hundred fifty-five thousand, one hundred forty-nine".