11654971 has 2 divisors, whose sum is σ = 11654972. Its totient is φ = 11654970.

The previous prime is 11654957. The next prime is 11654983. The reversal of 11654971 is 17945611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11654971 - 2¹⁹ = 11130683 is a prime.

It is not a weakly prime, because it can be changed into another prime (11654921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5827485 + 5827486.

It is an arithmetic number, because the mean of its divisors is an integer number (5827486).

Almost surely, 2^11654971 is an apocalyptic number.

11654971 is a deficient number, since it is larger than the sum of its proper divisors (1).

11654971 is an equidigital number, since it uses as much as digits as its factorization.

11654971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 34.

The square root of 11654971 is about 3413.9377557302. The cubic root of 11654971 is about 226.7272562458.

The spelling of 11654971 in words is "eleven million, six hundred fifty-four thousand, nine hundred seventy-one".