11013949 has 4 divisors (see below), whose sum is σ = 11123100. Its totient is φ = 10904800.

The previous prime is 11013923. The next prime is 11013967. The reversal of 11013949 is 94931011.

It is a happy number.

11013949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4485924 + 6528025 = 2118^2 + 2555^2 .

It is a cyclic number.

It is not a de Polignac number, because 11013949 - 2⁵ = 11013917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11013979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54424 + ... + 54625.

It is an arithmetic number, because the mean of its divisors is an integer number (2780775).

Almost surely, 2^11013949 is an apocalyptic number.

It is an amenable number.

11013949 is a deficient number, since it is larger than the sum of its proper divisors (109151).

11013949 is a wasteful number, since it uses less digits than its factorization.

11013949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109150.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 11013949 is about 3318.7270149863. The cubic root of 11013949 is about 222.4919763129.

It can be divided in two parts, 1101 and 3949, that added together give a triangular number (5050 = T₁₀₀).

The spelling of 11013949 in words is "eleven million, thirteen thousand, nine hundred forty-nine".