11869413 has 4 divisors (see below), whose sum is σ = 15825888.
Its totient is φ = 7912940.
The previous prime is 11869409. The next prime is 11869421. The reversal of 11869413 is 31496811.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31496811 = 3 ⋅10498937.
It is a cyclic number.
It is not a de Polignac number, because 11869413 - 22 = 11869409 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11869423) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1978233 + ... + 1978238.
It is an arithmetic number, because the mean of its divisors is an integer number (3956472).
Almost surely, 211869413 is an apocalyptic number.
It is an amenable number.
11869413 is a deficient number, since it is larger than the sum of its proper divisors (3956475).
11869413 is an equidigital number, since it uses as much as digits as its factorization.
11869413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3956474.
The product of its digits is 5184, while the sum is 33.
The square root of 11869413 is about 3445.2014454891.
The cubic root of 11869413 is about 228.1093465959.
The spelling of 11869413 in words is "eleven million, eight hundred sixty-nine thousand, four hundred thirteen".