11861276 has 12 divisors (see below), whose sum is σ = 23722608. Its totient is φ = 5083392.

The previous prime is 11861273. The next prime is 11861293. The reversal of 11861276 is 67216811.

It is a happy number.

11861276 is an admirable number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11861273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211781 + ... + 211836.

It is an arithmetic number, because the mean of its divisors is an integer number (1976884).

Almost surely, 2^11861276 is an apocalyptic number.

It is an amenable number.

11861276 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11861276 is a wasteful number, since it uses less digits than its factorization.

11861276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423628 (or 423626 counting only the distinct ones).

The product of its digits is 4032, while the sum is 32.

The square root of 11861276 is about 3444.0203251433. The cubic root of 11861276 is about 228.0572083796.

The spelling of 11861276 in words is "eleven million, eight hundred sixty-one thousand, two hundred seventy-six".