11967261 has 8 divisors (see below), whose sum is σ = 16111680. Its totient is φ = 7900512.

The previous prime is 11967253. The next prime is 11967301. The reversal of 11967261 is 16276911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11967261 - 2³ = 11967253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11967251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19056 + ... + 19673.

It is an arithmetic number, because the mean of its divisors is an integer number (2013960).

Almost surely, 2^11967261 is an apocalyptic number.

It is an amenable number.

11967261 is a deficient number, since it is larger than the sum of its proper divisors (4144419).

11967261 is a wasteful number, since it uses less digits than its factorization.

11967261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38835.

The product of its digits is 4536, while the sum is 33.

The square root of 11967261 is about 3459.3729200536. The cubic root of 11967261 is about 228.7344544364.

The spelling of 11967261 in words is "eleven million, nine hundred sixty-seven thousand, two hundred sixty-one".