11611867 has 8 divisors (see below), whose sum is σ = 12557376. Its totient is φ = 10695552.

The previous prime is 11611843. The next prime is 11611871. The reversal of 11611867 is 76811611.

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

It is a cyclic number.

It is not a de Polignac number, because 11611867 - 2⁷ = 11611739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11611367) 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, 6468 + ... + 8065.

It is an arithmetic number, because the mean of its divisors is an integer number (1569672).

Almost surely, 2^11611867 is an apocalyptic number.

11611867 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11611867 is a deficient number, since it is larger than the sum of its proper divisors (945509).

11611867 is a wasteful number, since it uses less digits than its factorization.

11611867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14597.

The product of its digits is 2016, while the sum is 31.

The square root of 11611867 is about 3407.6189634406. The cubic root of 11611867 is about 226.4474064366.

The spelling of 11611867 in words is "eleven million, six hundred eleven thousand, eight hundred sixty-seven".