11891295 has 24 divisors (see below), whose sum is σ = 22198176. Its totient is φ = 5853888.

The previous prime is 11891291. The next prime is 11891303. The reversal of 11891295 is 59219811.

It is not a de Polignac number, because 11891295 - 2² = 11891291 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11891291) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9579 + ... + 10748.

It is an arithmetic number, because the mean of its divisors is an integer number (924924).

Almost surely, 2^11891295 is an apocalyptic number.

11891295 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11891295 is a deficient number, since it is larger than the sum of its proper divisors (10306881).

11891295 is a wasteful number, since it uses less digits than its factorization.

11891295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20351 (or 20348 counting only the distinct ones).

The product of its digits is 6480, while the sum is 36.

The square root of 11891295 is about 3448.3757045890. The cubic root of 11891295 is about 228.2494384574.

The spelling of 11891295 in words is "eleven million, eight hundred ninety-one thousand, two hundred ninety-five".