11956669 has 8 divisors (see below), whose sum is σ = 12443648. Its totient is φ = 11476080.

The previous prime is 11956657. The next prime is 11956673. The reversal of 11956669 is 96665911.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11956669 is a prime.

It is a super-2 number, since 2×11956669² = 285923867151122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11956369) 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, 2419 + ... + 5455.

It is an arithmetic number, because the mean of its divisors is an integer number (1555456).

Almost surely, 2^11956669 is an apocalyptic number.

It is an amenable number.

11956669 is a deficient number, since it is larger than the sum of its proper divisors (486979).

11956669 is a wasteful number, since it uses less digits than its factorization.

11956669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3195.

The product of its digits is 87480, while the sum is 43.

The square root of 11956669 is about 3457.8416678616. The cubic root of 11956669 is about 228.6669516477. Note that the first 3 decimals are identical.

The spelling of 11956669 in words is "eleven million, nine hundred fifty-six thousand, six hundred sixty-nine".