11370643 has 4 divisors (see below), whose sum is σ = 11428560. Its totient is φ = 11312728.

The previous prime is 11370641. The next prime is 11370649. The reversal of 11370643 is 34607311.

11370643 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 a cyclic number.

It is not a de Polignac number, because 11370643 - 2¹ = 11370641 is a prime.

It is a super-3 number, since 3×11370643³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11370641) 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, 28663 + ... + 29056.

It is an arithmetic number, because the mean of its divisors is an integer number (2857140).

Almost surely, 2^11370643 is an apocalyptic number.

11370643 is a deficient number, since it is larger than the sum of its proper divisors (57917).

11370643 is an equidigital number, since it uses as much as digits as its factorization.

11370643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57916.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 11370643 is about 3372.0384042890. The cubic root of 11370643 is about 224.8683542659.

Adding to 11370643 its reverse (34607311), we get a palindrome (45977954).

It can be divided in two parts, 113 and 70643, that added together give a square (70756 = 266²).

The spelling of 11370643 in words is "eleven million, three hundred seventy thousand, six hundred forty-three".