11203397 has 2 divisors, whose sum is σ = 11203398. Its totient is φ = 11203396.

The previous prime is 11203393. The next prime is 11203417. The reversal of 11203397 is 79330211.

11203397 is digitally balanced in base 3, 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., 8213956 + 2989441 = 2866^2 + 1729^2 .

It is a cyclic number.

It is not a de Polignac number, because 11203397 - 2² = 11203393 is a prime.

It is a super-2 number, since 2×11203397² = 251032208679218, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11203393) 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, 5601698 + 5601699.

It is an arithmetic number, because the mean of its divisors is an integer number (5601699).

Almost surely, 2^11203397 is an apocalyptic number.

It is an amenable number.

11203397 is a deficient number, since it is larger than the sum of its proper divisors (1).

11203397 is an equidigital number, since it uses as much as digits as its factorization.

11203397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 11203397 is about 3347.1475916069. The cubic root of 11203397 is about 223.7604062865.

The spelling of 11203397 in words is "eleven million, two hundred three thousand, three hundred ninety-seven".