11895915 has 16 divisors (see below), whose sum is σ = 19346976. Its totient is φ = 6240000.

The previous prime is 11895913. The next prime is 11895953. The reversal of 11895915 is 51959811.

11895915 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11895915 - 2¹ = 11895913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11895913) 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, 5586 + ... + 7415.

It is an arithmetic number, because the mean of its divisors is an integer number (1209186).

Almost surely, 2^11895915 is an apocalyptic number.

11895915 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11895915 is a deficient number, since it is larger than the sum of its proper divisors (7451061).

11895915 is a wasteful number, since it uses less digits than its factorization.

11895915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13070.

The product of its digits is 16200, while the sum is 39.

The square root of 11895915 is about 3449.0455201403. The cubic root of 11895915 is about 228.2789944160.

The spelling of 11895915 in words is "eleven million, eight hundred ninety-five thousand, nine hundred fifteen".