11731369 has 4 divisors (see below), whose sum is σ = 12633796. Its totient is φ = 10828944.

The previous prime is 11731351. The next prime is 11731381. The reversal of 11731369 is 96313711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2214144 + 9517225 = 1488^2 + 3085^2 .

It is a cyclic number.

It is not a de Polignac number, because 11731369 - 2⁹ = 11730857 is a prime.

It is a super-2 number, since 2×11731369² = 275250037228322, which contains 22 as substring.

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 11731369.

It is not an unprimeable number, because it can be changed into a prime (11731339) 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, 451194 + ... + 451219.

It is an arithmetic number, because the mean of its divisors is an integer number (3158449).

Almost surely, 2^11731369 is an apocalyptic number.

It is an amenable number.

11731369 is a deficient number, since it is larger than the sum of its proper divisors (902427).

11731369 is an equidigital number, since it uses as much as digits as its factorization.

11731369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902426.

The product of its digits is 3402, while the sum is 31.

The square root of 11731369 is about 3425.1086114166. The cubic root of 11731369 is about 227.2215746163.

It can be divided in two parts, 11731 and 369, that added together give a square (12100 = 110²).

The spelling of 11731369 in words is "eleven million, seven hundred thirty-one thousand, three hundred sixty-nine".