16961227 has 2 divisors, whose sum is σ = 16961228. Its totient is φ = 16961226.

The previous prime is 16961209. The next prime is 16961237. The reversal of 16961227 is 72216961.

It is a strong prime.

It is an emirp because it is prime and its reverse (72216961) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16961227 - 2⁷ = 16961099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16961192 and 16961201.

It is not a weakly prime, because it can be changed into another prime (16961237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8480613 + 8480614.

It is an arithmetic number, because the mean of its divisors is an integer number (8480614).

Almost surely, 2^16961227 is an apocalyptic number.

16961227 is a deficient number, since it is larger than the sum of its proper divisors (1).

16961227 is an equidigital number, since it uses as much as digits as its factorization.

16961227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 34.

The square root of 16961227 is about 4118.4010246696. The cubic root of 16961227 is about 256.9325273170.

The spelling of 16961227 in words is "sixteen million, nine hundred sixty-one thousand, two hundred twenty-seven".