11913122 has 8 divisors (see below), whose sum is σ = 19244316. Its totient is φ = 5498352.

The previous prime is 11913119. The next prime is 11913127. The reversal of 11913122 is 22131911.

It can be written as a sum of positive squares in 2 ways, for example, as 11909401 + 3721 = 3451^2 + 61^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 11913094 and 11913103.

It is not an unprimeable number, because it can be changed into a prime (11913127) 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, 229073 + ... + 229124.

Almost surely, 2^11913122 is an apocalyptic number.

11913122 is a deficient number, since it is larger than the sum of its proper divisors (7331194).

11913122 is a wasteful number, since it uses less digits than its factorization.

11913122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458212.

The product of its digits is 108, while the sum is 20.

The square root of 11913122 is about 3451.5390769916. The cubic root of 11913122 is about 228.3890070906.

The spelling of 11913122 in words is "eleven million, nine hundred thirteen thousand, one hundred twenty-two".