10971899 has 2 divisors, whose sum is σ = 10971900. Its totient is φ = 10971898.

The previous prime is 10971893. The next prime is 10971929. The reversal of 10971899 is 99817901.

It is a weak prime.

It is an emirp because it is prime and its reverse (99817901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10971899 - 2²⁰ = 9923323 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10971893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5485949 + 5485950.

It is an arithmetic number, because the mean of its divisors is an integer number (5485950).

Almost surely, 2^10971899 is an apocalyptic number.

10971899 is a deficient number, since it is larger than the sum of its proper divisors (1).

10971899 is an equidigital number, since it uses as much as digits as its factorization.

10971899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 44.

The square root of 10971899 is about 3312.3856961411. The cubic root of 10971899 is about 222.2084655466.

The spelling of 10971899 in words is "ten million, nine hundred seventy-one thousand, eight hundred ninety-nine".