11996071 has 4 divisors (see below), whose sum is σ = 12148000. Its totient is φ = 11844144.

The previous prime is 11996069. The next prime is 11996081. The reversal of 11996071 is 17069911.

11996071 = T₃₀₈ + T₃₀₉ + ... + T₄₆₅.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11996071 - 2¹ = 11996069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11996021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75846 + ... + 76003.

It is an arithmetic number, because the mean of its divisors is an integer number (3037000).

Almost surely, 2^11996071 is an apocalyptic number.

11996071 is a deficient number, since it is larger than the sum of its proper divisors (151929).

11996071 is an equidigital number, since it uses as much as digits as its factorization.

11996071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151928.

The product of its (nonzero) digits is 3402, while the sum is 34.

The square root of 11996071 is about 3463.5344664086. The cubic root of 11996071 is about 228.9178592151.

The spelling of 11996071 in words is "eleven million, nine hundred ninety-six thousand, seventy-one".