11203671 has 4 divisors (see below), whose sum is σ = 14938232. Its totient is φ = 7469112.

The previous prime is 11203669. The next prime is 11203681. The reversal of 11203671 is 17630211.

11203671 is digitally balanced in base 3, 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.

It is not a de Polignac number, because 11203671 - 2¹ = 11203669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11203651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1867276 + ... + 1867281.

It is an arithmetic number, because the mean of its divisors is an integer number (3734558).

Almost surely, 2^11203671 is an apocalyptic number.

11203671 is a deficient number, since it is larger than the sum of its proper divisors (3734561).

11203671 is an equidigital number, since it uses as much as digits as its factorization.

11203671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3734560.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 11203671 is about 3347.1885217298. The cubic root of 11203671 is about 223.7622304312.

Adding to 11203671 its reverse (17630211), we get a palindrome (28833882).

The spelling of 11203671 in words is "eleven million, two hundred three thousand, six hundred seventy-one".