11945895 has 16 divisors (see below), whose sum is σ = 20584032. Its totient is φ = 5880960.

The previous prime is 11945867. The next prime is 11945897. The reversal of 11945895 is 59854911.

11945895 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11945895 - 2⁶ = 11945831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11945897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30436 + ... + 30825.

It is an arithmetic number, because the mean of its divisors is an integer number (1286502).

Almost surely, 2^11945895 is an apocalyptic number.

11945895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11945895 is a deficient number, since it is larger than the sum of its proper divisors (8638137).

11945895 is a wasteful number, since it uses less digits than its factorization.

11945895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61282.

The product of its digits is 64800, while the sum is 42.

The square root of 11945895 is about 3456.2834085185. The cubic root of 11945895 is about 228.5982480621.

The spelling of 11945895 in words is "eleven million, nine hundred forty-five thousand, eight hundred ninety-five".