11945951 has 8 divisors (see below), whose sum is σ = 12700224. Its totient is φ = 11197440.

The previous prime is 11945929. The next prime is 11945953. The reversal of 11945951 is 15954911.

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-11945951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11945953) 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, 3311 + ... + 5903.

It is an arithmetic number, because the mean of its divisors is an integer number (1587528).

Almost surely, 2^11945951 is an apocalyptic number.

11945951 is a deficient number, since it is larger than the sum of its proper divisors (754273).

11945951 is a wasteful number, since it uses less digits than its factorization.

11945951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2881.

The product of its digits is 8100, while the sum is 35.

The square root of 11945951 is about 3456.2915096965. The cubic root of 11945951 is about 228.5986052694.

The spelling of 11945951 in words is "eleven million, nine hundred forty-five thousand, nine hundred fifty-one".