11863445 has 12 divisors (see below), whose sum is σ = 15648780. Its totient is φ = 8627520.

The previous prime is 11863441. The next prime is 11863457. The reversal of 11863445 is 54436811.

It can be written as a sum of positive squares in 2 ways, for example, as 9284209 + 2579236 = 3047^2 + 1606^2 .

It is not a de Polignac number, because 11863445 - 2² = 11863441 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11863441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9200 + ... + 10409.

It is an arithmetic number, because the mean of its divisors is an integer number (1304065).

Almost surely, 2^11863445 is an apocalyptic number.

It is an amenable number.

11863445 is a deficient number, since it is larger than the sum of its proper divisors (3785335).

11863445 is a wasteful number, since it uses less digits than its factorization.

11863445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19636 (or 19625 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 11863445 is about 3444.3352043609. The cubic root of 11863445 is about 228.0711086811.

The spelling of 11863445 in words is "eleven million, eight hundred sixty-three thousand, four hundred forty-five".