11713911 has 16 divisors (see below), whose sum is σ = 17169408. Its totient is φ = 7044800.

The previous prime is 11713909. The next prime is 11713943. The reversal of 11713911 is 11931711.

It is a cyclic number.

It is not a de Polignac number, because 11713911 - 2¹ = 11713909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11713981) 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, 3226 + ... + 5816.

It is an arithmetic number, because the mean of its divisors is an integer number (1073088).

Almost surely, 2^11713911 is an apocalyptic number.

11713911 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11713911 is a deficient number, since it is larger than the sum of its proper divisors (5455497).

11713911 is a wasteful number, since it uses less digits than its factorization.

11713911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742.

The product of its digits is 189, while the sum is 24.

The square root of 11713911 is about 3422.5591302416. The cubic root of 11713911 is about 227.1088056342.

It can be divided in two parts, 117 and 13911, that added together give a triangular number (14028 = T₁₆₇).

The spelling of 11713911 in words is "eleven million, seven hundred thirteen thousand, nine hundred eleven".