11891260 has 12 divisors (see below), whose sum is σ = 24971688. Its totient is φ = 4756496.

The previous prime is 11891251. The next prime is 11891261. The reversal of 11891260 is 6219811.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11891261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297262 + ... + 297301.

It is an arithmetic number, because the mean of its divisors is an integer number (2080974).

Almost surely, 2^11891260 is an apocalyptic number.

11891260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11891260 is an abundant number, since it is smaller than the sum of its proper divisors (13080428).

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

11891260 is a wasteful number, since it uses less digits than its factorization.

11891260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594572 (or 594570 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 11891260 is about 3448.3706297323. The cubic root of 11891260 is about 228.2492145194.

It can be divided in two parts, 118 and 91260, that added together give a triangular number (91378 = T₄₂₇).

The spelling of 11891260 in words is "eleven million, eight hundred ninety-one thousand, two hundred sixty".