11922378 has 16 divisors (see below), whose sum is σ = 25679136. Its totient is φ = 3668400.

The previous prime is 11922373. The next prime is 11922397. The reversal of 11922378 is 87322911.

It is not an unprimeable number, because it can be changed into a prime (11922371) 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, 76348 + ... + 76503.

It is an arithmetic number, because the mean of its divisors is an integer number (1604946).

Almost surely, 2^11922378 is an apocalyptic number.

11922378 is an abundant number, since it is smaller than the sum of its proper divisors (13756758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11922378 is a wasteful number, since it uses less digits than its factorization.

11922378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152869.

The product of its digits is 6048, while the sum is 33.

The square root of 11922378 is about 3452.8796677556. The cubic root of 11922378 is about 228.4481413628.

It can be divided in two parts, 1192 and 2378, that added together give a triangular number (3570 = T₈₄).

The spelling of 11922378 in words is "eleven million, nine hundred twenty-two thousand, three hundred seventy-eight".