10999997 has 2 divisors, whose sum is σ = 10999998. Its totient is φ = 10999996.

The previous prime is 10999987. The next prime is 11000027. The reversal of 10999997 is 79999901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9803161 + 1196836 = 3131^2 + 1094^2 .

It is a cyclic number.

It is not a de Polignac number, because 10999997 - 2¹⁰ = 10998973 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10999987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5499998 + 5499999.

It is an arithmetic number, because the mean of its divisors is an integer number (5499999).

Almost surely, 2^10999997 is an apocalyptic number.

It is an amenable number.

10999997 is a deficient number, since it is larger than the sum of its proper divisors (1).

10999997 is an equidigital number, since it uses as much as digits as its factorization.

10999997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 413343, while the sum is 53.

The square root of 10999997 is about 3316.6243380884. The cubic root of 10999997 is about 222.3979888389.

The spelling of 10999997 in words is "ten million, nine hundred ninety-nine thousand, nine hundred ninety-seven".