11001913 has 16 divisors (see below), whose sum is σ = 12353040. Its totient is φ = 9732096.

The previous prime is 11001911. The next prime is 11001919. The reversal of 11001913 is 31910011.

It is a happy number.

11001913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 419904 + 10582009 = 648^2 + 3253^2 .

It is a cyclic number.

It is not a de Polignac number, because 11001913 - 2¹ = 11001911 is a prime.

It is a super-3 number, since 3×11001913³ (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 (11001911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42681 + ... + 42937.

It is an arithmetic number, because the mean of its divisors is an integer number (772065).

Almost surely, 2^11001913 is an apocalyptic number.

11001913 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11001913 is a deficient number, since it is larger than the sum of its proper divisors (1351127).

11001913 is a wasteful number, since it uses less digits than its factorization.

11001913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396.

The product of its (nonzero) digits is 27, while the sum is 16.

The square root of 11001913 is about 3316.9131734189. The cubic root of 11001913 is about 222.4109006548.

Adding to 11001913 its reverse (31910011), we get a palindrome (42911924).

The spelling of 11001913 in words is "eleven million, one thousand, nine hundred thirteen".