10995971 has 16 divisors (see below), whose sum is σ = 12899328. Its totient is φ = 9180000.

The previous prime is 10995967. The next prime is 10995977. The reversal of 10995971 is 17959901.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10995971 - 2² = 10995967 is a prime.

It is a super-2 number, since 2×10995971² = 241822756465682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10995977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72746 + ... + 72896.

It is an arithmetic number, because the mean of its divisors is an integer number (806208).

Almost surely, 2^10995971 is an apocalyptic number.

10995971 is a deficient number, since it is larger than the sum of its proper divisors (1903357).

10995971 is a wasteful number, since it uses less digits than its factorization.

10995971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362.

The product of its (nonzero) digits is 25515, while the sum is 41.

The square root of 10995971 is about 3316.0173401235. The cubic root of 10995971 is about 222.3708529660.

The spelling of 10995971 in words is "ten million, nine hundred ninety-five thousand, nine hundred seventy-one".