11213403 has 8 divisors (see below), whose sum is σ = 15003408. Its totient is φ = 7449504.

The previous prime is 11213399. The next prime is 11213407. The reversal of 11213403 is 30431211.

It is an interprime number because it is at equal distance from previous prime (11213399) and next prime (11213407).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11213403 - 2² = 11213399 is a prime.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (11213407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5500 + ... + 7257.

It is an arithmetic number, because the mean of its divisors is an integer number (1875426).

Almost surely, 2^11213403 is an apocalyptic number.

11213403 is a deficient number, since it is larger than the sum of its proper divisors (3790005).

11213403 is a wasteful number, since it uses less digits than its factorization.

11213403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13053.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 11213403 is about 3348.6419635428. The cubic root of 11213403 is about 223.8270015762.

Adding to 11213403 its reverse (30431211), we get a palindrome (41644614).

The spelling of 11213403 in words is "eleven million, two hundred thirteen thousand, four hundred three".