11146997 has 2 divisors, whose sum is σ = 11146998. Its totient is φ = 11146996.

The previous prime is 11146987. The next prime is 11147009. The reversal of 11146997 is 79964111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10817521 + 329476 = 3289^2 + 574^2 .

It is a cyclic number.

It is not a de Polignac number, because 11146997 - 2⁴ = 11146981 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11146997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11146937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5573498 + 5573499.

It is an arithmetic number, because the mean of its divisors is an integer number (5573499).

Almost surely, 2^11146997 is an apocalyptic number.

It is an amenable number.

11146997 is a deficient number, since it is larger than the sum of its proper divisors (1).

11146997 is an equidigital number, since it uses as much as digits as its factorization.

11146997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 38.

The square root of 11146997 is about 3338.7118773563. The cubic root of 11146997 is about 223.3842904936.

The spelling of 11146997 in words is "eleven million, one hundred forty-six thousand, nine hundred ninety-seven".