16012291 has 2 divisors, whose sum is σ = 16012292. Its totient is φ = 16012290.

The previous prime is 16012279. The next prime is 16012309. The reversal of 16012291 is 19221061.

It is a weak prime.

It is an emirp because it is prime and its reverse (19221061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16012291 - 2⁵ = 16012259 is a prime.

It is not a weakly prime, because it can be changed into another prime (16012391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8006145 + 8006146.

It is an arithmetic number, because the mean of its divisors is an integer number (8006146).

Almost surely, 2^16012291 is an apocalyptic number.

16012291 is a deficient number, since it is larger than the sum of its proper divisors (1).

16012291 is an equidigital number, since it uses as much as digits as its factorization.

16012291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 16012291 is about 4001.5360800573. The cubic root of 16012291 is about 252.0487171707.

The spelling of 16012291 in words is "sixteen million, twelve thousand, two hundred ninety-one".