11946971 has 12 divisors (see below), whose sum is σ = 12901368. Its totient is φ = 11058432.

The previous prime is 11946943. The next prime is 11946973. The reversal of 11946971 is 17964911.

It is a de Polignac number, because none of the positive numbers 2^k-11946971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11946973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19055 + ... + 19671.

It is an arithmetic number, because the mean of its divisors is an integer number (1075114).

Almost surely, 2^11946971 is an apocalyptic number.

11946971 is a deficient number, since it is larger than the sum of its proper divisors (954397).

11946971 is an equidigital number, since it uses as much as digits as its factorization.

11946971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718 (or 701 counting only the distinct ones).

The product of its digits is 13608, while the sum is 38.

The square root of 11946971 is about 3456.4390635450. The cubic root of 11946971 is about 228.6051113494.

The spelling of 11946971 in words is "eleven million, nine hundred forty-six thousand, nine hundred seventy-one".