11790971 has 2 divisors, whose sum is σ = 11790972. Its totient is φ = 11790970.

The previous prime is 11790959. The next prime is 11790991. The reversal of 11790971 is 17909711.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11790971 is a prime.

It is not a weakly prime, because it can be changed into another prime (11790941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5895485 + 5895486.

It is an arithmetic number, because the mean of its divisors is an integer number (5895486).

Almost surely, 2^11790971 is an apocalyptic number.

11790971 is a deficient number, since it is larger than the sum of its proper divisors (1).

11790971 is an equidigital number, since it uses as much as digits as its factorization.

11790971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3969, while the sum is 35.

The square root of 11790971 is about 3433.7983342066. The cubic root of 11790971 is about 227.6057295453.

The spelling of 11790971 in words is "eleven million, seven hundred ninety thousand, nine hundred seventy-one".