11922505 has 8 divisors (see below), whose sum is σ = 16350912. Its totient is φ = 8175408.

The previous prime is 11922503. The next prime is 11922523. The reversal of 11922505 is 50522911.

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

It is a cyclic number.

It is not a de Polignac number, because 11922505 - 2¹ = 11922503 is a prime.

It is a super-2 number, since 2×11922505² = 284292250950050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11922505.

It is not an unprimeable number, because it can be changed into a prime (11922503) 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 7 ways as a sum of consecutive naturals, for example, 170287 + ... + 170356.

It is an arithmetic number, because the mean of its divisors is an integer number (2043864).

Almost surely, 2^11922505 is an apocalyptic number.

It is an amenable number.

11922505 is a deficient number, since it is larger than the sum of its proper divisors (4428407).

11922505 is an equidigital number, since it uses as much as digits as its factorization.

11922505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340655.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 11922505 is about 3452.8980581535. The cubic root of 11922505 is about 228.4489525212.

The spelling of 11922505 in words is "eleven million, nine hundred twenty-two thousand, five hundred five".