11403071 has 4 divisors (see below), whose sum is σ = 11770944. Its totient is φ = 11035200.

The previous prime is 11403053. The next prime is 11403083. The reversal of 11403071 is 17030411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17030411 = 827 ⋅20593.

It is a cyclic number.

It is not a de Polignac number, because 11403071 - 2¹⁰ = 11402047 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11400071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183890 + ... + 183951.

It is an arithmetic number, because the mean of its divisors is an integer number (2942736).

Almost surely, 2^11403071 is an apocalyptic number.

11403071 is a deficient number, since it is larger than the sum of its proper divisors (367873).

11403071 is an equidigital number, since it uses as much as digits as its factorization.

11403071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367872.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 11403071 is about 3376.8433484543. The cubic root of 11403071 is about 225.0819191420.

Adding to 11403071 its reverse (17030411), we get a palindrome (28433482).

The spelling of 11403071 in words is "eleven million, four hundred three thousand, seventy-one".