11681654 has 8 divisors (see below), whose sum is σ = 18284400. Its totient is φ = 5586856.

The previous prime is 11681653. The next prime is 11681689. The reversal of 11681654 is 45618611.

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

It is a super-2 number, since 2×11681654² = 272922080351432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11681654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11681653) 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, 126929 + ... + 127020.

It is an arithmetic number, because the mean of its divisors is an integer number (2285550).

Almost surely, 2^11681654 is an apocalyptic number.

11681654 is a deficient number, since it is larger than the sum of its proper divisors (6602746).

11681654 is a wasteful number, since it uses less digits than its factorization.

11681654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253974.

The product of its digits is 5760, while the sum is 32.

The square root of 11681654 is about 3417.8434721327. The cubic root of 11681654 is about 226.9001482089.

The spelling of 11681654 in words is "eleven million, six hundred eighty-one thousand, six hundred fifty-four".