11922487 has 8 divisors (see below), whose sum is σ = 12495456. Its totient is φ = 11354112.

The previous prime is 11922479. The next prime is 11922497. The reversal of 11922487 is 78422911.

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 11922487 - 2³ = 11922479 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 (11922437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4903 + ... + 6919.

It is an arithmetic number, because the mean of its divisors is an integer number (1561932).

Almost surely, 2^11922487 is an apocalyptic number.

11922487 is a deficient number, since it is larger than the sum of its proper divisors (572969).

11922487 is a wasteful number, since it uses less digits than its factorization.

11922487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2297.

The product of its digits is 8064, while the sum is 34.

The square root of 11922487 is about 3452.8954516463. The cubic root of 11922487 is about 228.4488375542.

The spelling of 11922487 in words is "eleven million, nine hundred twenty-two thousand, four hundred eighty-seven".