11922730 has 16 divisors (see below), whose sum is σ = 21500640. Its totient is φ = 4760272.

The previous prime is 11922727. The next prime is 11922731. The reversal of 11922730 is 3722911.

It is a junction number, because it is equal to n+sod(n) for n = 11922695 and 11922704.

It is not an unprimeable number, because it can be changed into a prime (11922731) 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, 8841 + ... + 10099.

It is an arithmetic number, because the mean of its divisors is an integer number (1343790).

Almost surely, 2^11922730 is an apocalyptic number.

11922730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11922730 is a deficient number, since it is larger than the sum of its proper divisors (9577910).

11922730 is a wasteful number, since it uses less digits than its factorization.

11922730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2213.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 11922730 is about 3452.9306393265. The cubic root of 11922730 is about 228.4503895987.

The spelling of 11922730 in words is "eleven million, nine hundred twenty-two thousand, seven hundred thirty".