13775211 has 16 divisors (see below), whose sum is σ = 20960800. Its totient is φ = 8934624.

The previous prime is 13775197. The next prime is 13775233. The reversal of 13775211 is 11257731.

It is a happy number.

13775211 is a `hidden beast` number, since 137 + 7 + 521 + 1 = 666.

13775211 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13775211 - 2⁶ = 13775147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13775291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5896 + ... + 7893.

It is an arithmetic number, because the mean of its divisors is an integer number (1310050).

Almost surely, 2^13775211 is an apocalyptic number.

13775211 is a deficient number, since it is larger than the sum of its proper divisors (7185589).

13775211 is a wasteful number, since it uses less digits than its factorization.

13775211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13835 (or 13829 counting only the distinct ones).

The product of its digits is 1470, while the sum is 27.

The square root of 13775211 is about 3711.4971372749. The cubic root of 13775211 is about 239.7173234389.

The spelling of 13775211 in words is "thirteen million, seven hundred seventy-five thousand, two hundred eleven".