11963145 has 32 divisors (see below), whose sum is σ = 19906560. Its totient is φ = 6130880.

The previous prime is 11963143. The next prime is 11963153. The reversal of 11963145 is 54136911.

It is not a de Polignac number, because 11963145 - 2¹ = 11963143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11963143) 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 31 ways as a sum of consecutive naturals, for example, 49936 + ... + 50174.

It is an arithmetic number, because the mean of its divisors is an integer number (622080).

Almost surely, 2^11963145 is an apocalyptic number.

11963145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11963145 is a deficient number, since it is larger than the sum of its proper divisors (7943415).

11963145 is a wasteful number, since it uses less digits than its factorization.

11963145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365.

The product of its digits is 3240, while the sum is 30.

The square root of 11963145 is about 3458.7779633853. Note that the first 3 decimals coincide. The cubic root of 11963145 is about 228.7082279125.

The spelling of 11963145 in words is "eleven million, nine hundred sixty-three thousand, one hundred forty-five".