11203345 has 4 divisors (see below), whose sum is σ = 13444020. Its totient is φ = 8962672.

The previous prime is 11203337. The next prime is 11203393. The reversal of 11203345 is 54330211.

11203345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54330211 = 13 ⋅4179247.

It can be written as a sum of positive squares in 2 ways, for example, as 2954961 + 8248384 = 1719^2 + 2872^2 .

It is a cyclic number.

It is not a de Polignac number, because 11203345 - 2³ = 11203337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1120330 + ... + 1120339.

It is an arithmetic number, because the mean of its divisors is an integer number (3361005).

Almost surely, 2^11203345 is an apocalyptic number.

It is an amenable number.

11203345 is a deficient number, since it is larger than the sum of its proper divisors (2240675).

11203345 is an equidigital number, since it uses as much as digits as its factorization.

11203345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2240674.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 11203345 is about 3347.1398237899. The cubic root of 11203345 is about 223.7600600951.

Adding to 11203345 its reverse (54330211), we get a palindrome (65533556).

It can be divided in two parts, 1120 and 3345, that added together give a triangular number (4465 = T₉₄).

The spelling of 11203345 in words is "eleven million, two hundred three thousand, three hundred forty-five".