11003401 has 4 divisors (see below), whose sum is σ = 11011792. Its totient is φ = 10995012.

The previous prime is 11003381. The next prime is 11003411. The reversal of 11003401 is 10430011.

It is a happy number.

11003401 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 a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11003401 - 2⁷ = 11003273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11003411) 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, 1755 + ... + 5008.

It is an arithmetic number, because the mean of its divisors is an integer number (2752948).

Almost surely, 2^11003401 is an apocalyptic number.

It is an amenable number.

11003401 is a deficient number, since it is larger than the sum of its proper divisors (8391).

11003401 is an equidigital number, since it uses as much as digits as its factorization.

11003401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8390.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 11003401 is about 3317.1374707721. The cubic root of 11003401 is about 222.4209271687.

Adding to 11003401 its reverse (10430011), we get a palindrome (21433412).

The spelling of 11003401 in words is "eleven million, three thousand, four hundred one".