10997969 has 2 divisors, whose sum is σ = 10997970. Its totient is φ = 10997968.

The previous prime is 10997947. The next prime is 10997999. The reversal of 10997969 is 96979901.

10997969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10804369 + 193600 = 3287^2 + 440^2 .

It is a cyclic number.

It is not a de Polignac number, because 10997969 - 2¹⁶ = 10932433 is a prime.

It is a super-2 number, since 2×10997969² = 241910644249922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10997999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5498984 + 5498985.

It is an arithmetic number, because the mean of its divisors is an integer number (5498985).

Almost surely, 2^10997969 is an apocalyptic number.

It is an amenable number.

10997969 is a deficient number, since it is larger than the sum of its proper divisors (1).

10997969 is an equidigital number, since it uses as much as digits as its factorization.

10997969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 275562, while the sum is 50.

The square root of 10997969 is about 3316.3185914505. The cubic root of 10997969 is about 222.3843206279.

The spelling of 10997969 in words is "ten million, nine hundred ninety-seven thousand, nine hundred sixty-nine".