11291269 has 4 divisors (see below), whose sum is σ = 12317760. Its totient is φ = 10264780.

The previous prime is 11291261. The next prime is 11291297. The reversal of 11291269 is 96219211.

11291269 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11291269 - 2³ = 11291261 is a prime.

It is a super-2 number, since 2×11291269² = 254985511260722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11291269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11291261) 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, 513229 + ... + 513250.

It is an arithmetic number, because the mean of its divisors is an integer number (3079440).

Almost surely, 2^11291269 is an apocalyptic number.

It is an amenable number.

11291269 is a deficient number, since it is larger than the sum of its proper divisors (1026491).

11291269 is a wasteful number, since it uses less digits than its factorization.

11291269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026490.

The product of its digits is 1944, while the sum is 31.

The square root of 11291269 is about 3360.2483539167. The cubic root of 11291269 is about 224.3438927450.

The spelling of 11291269 in words is "eleven million, two hundred ninety-one thousand, two hundred sixty-nine".