10997213 has 2 divisors, whose sum is σ = 10997214. Its totient is φ = 10997212.

The previous prime is 10997171. The next prime is 10997221. The reversal of 10997213 is 31279901.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10876804 + 120409 = 3298^2 + 347^2 .

It is a cyclic number.

It is not a de Polignac number, because 10997213 - 2⁶ = 10997149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10997213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10997513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5498606 + 5498607.

It is an arithmetic number, because the mean of its divisors is an integer number (5498607).

Almost surely, 2^10997213 is an apocalyptic number.

It is an amenable number.

10997213 is a deficient number, since it is larger than the sum of its proper divisors (1).

10997213 is an equidigital number, since it uses as much as digits as its factorization.

10997213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 10997213 is about 3316.2046076803. The cubic root of 10997213 is about 222.3792249477.

The spelling of 10997213 in words is "ten million, nine hundred ninety-seven thousand, two hundred thirteen".