11154013 has 4 divisors (see below), whose sum is σ = 12012028. Its totient is φ = 10296000.

The previous prime is 11153981. The next prime is 11154019. The reversal of 11154013 is 31045111.

11154013 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 an emirpimes, since its reverse is a distinct semiprime: 31045111 = 17 ⋅1826183.

It can be written as a sum of positive squares in 2 ways, for example, as 6980164 + 4173849 = 2642^2 + 2043^2 .

It is not a de Polignac number, because 11154013 - 2⁵ = 11153981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11154019) 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, 428988 + ... + 429013.

It is an arithmetic number, because the mean of its divisors is an integer number (3003007).

Almost surely, 2^11154013 is an apocalyptic number.

11154013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11154013 is a deficient number, since it is larger than the sum of its proper divisors (858015).

11154013 is an equidigital number, since it uses as much as digits as its factorization.

11154013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858014.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 11154013 is about 3339.7624166997. The cubic root of 11154013 is about 223.4311472235.

Adding to 11154013 its reverse (31045111), we get a palindrome (42199124).

The spelling of 11154013 in words is "eleven million, one hundred fifty-four thousand, thirteen".