11920365 has 24 divisors (see below), whose sum is σ = 21429408. Its totient is φ = 6356880.

The previous prime is 11920351. The next prime is 11920367. The reversal of 11920365 is 56302911.

It is not a de Polignac number, because 11920365 - 2⁵ = 11920333 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11920367) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3691 + ... + 6120.

It is an arithmetic number, because the mean of its divisors is an integer number (892892).

Almost surely, 2^11920365 is an apocalyptic number.

11920365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11920365 is a deficient number, since it is larger than the sum of its proper divisors (9509043).

11920365 is an frugal number, since it uses more digits than its factorization.

11920365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9831 (or 9819 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 11920365 is about 3452.5881596275. The cubic root of 11920365 is about 228.4352834136.

The spelling of 11920365 in words is "eleven million, nine hundred twenty thousand, three hundred sixty-five".