11895640 has 16 divisors (see below), whose sum is σ = 26765280. Its totient is φ = 4758240.

The previous prime is 11895619. The next prime is 11895647. The reversal of 11895640 is 4659811.

It is a junction number, because it is equal to n+sod(n) for n = 11895596 and 11895605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11895647) 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 3 ways as a sum of consecutive naturals, for example, 148656 + ... + 148735.

It is an arithmetic number, because the mean of its divisors is an integer number (1672830).

Almost surely, 2^11895640 is an apocalyptic number.

11895640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11895640 is an abundant number, since it is smaller than the sum of its proper divisors (14869640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11895640 is a wasteful number, since it uses less digits than its factorization.

11895640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297402 (or 297398 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 11895640 is about 3449.0056538081. The cubic root of 11895640 is about 228.2772353470.

The spelling of 11895640 in words is "eleven million, eight hundred ninety-five thousand, six hundred forty".