11992297 has 2 divisors, whose sum is σ = 11992298. Its totient is φ = 11992296.

The previous prime is 11992291. The next prime is 11992339. The reversal of 11992297 is 79229911.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11758041 + 234256 = 3429^2 + 484^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11992297 is a prime.

It is not a weakly prime, because it can be changed into another prime (11992291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5996148 + 5996149.

It is an arithmetic number, because the mean of its divisors is an integer number (5996149).

Almost surely, 2^11992297 is an apocalyptic number.

It is an amenable number.

11992297 is a deficient number, since it is larger than the sum of its proper divisors (1).

11992297 is an equidigital number, since it uses as much as digits as its factorization.

11992297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20412, while the sum is 40.

The square root of 11992297 is about 3462.9896043737. The cubic root of 11992297 is about 228.8938506149.

It can be divided in two parts, 119 and 92297, that added together give a square (92416 = 304²).

The spelling of 11992297 in words is "eleven million, nine hundred ninety-two thousand, two hundred ninety-seven".