11943951 has 8 divisors (see below), whose sum is σ = 16763520. Its totient is φ = 7543512.

The previous prime is 11943947. The next prime is 11943973. The reversal of 11943951 is 15934911.

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

It is not a de Polignac number, because 11943951 - 2² = 11943947 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11943941) 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, 104715 + ... + 104828.

It is an arithmetic number, because the mean of its divisors is an integer number (2095440).

Almost surely, 2^11943951 is an apocalyptic number.

11943951 is a deficient number, since it is larger than the sum of its proper divisors (4819569).

11943951 is a wasteful number, since it uses less digits than its factorization.

11943951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209565.

The product of its digits is 4860, while the sum is 33.

The square root of 11943951 is about 3456.0021701382. The cubic root of 11943951 is about 228.5858471745.

The spelling of 11943951 in words is "eleven million, nine hundred forty-three thousand, nine hundred fifty-one".