11387169 has 16 divisors (see below), whose sum is σ = 17452800. Its totient is φ = 7329168.

The previous prime is 11387143. The next prime is 11387171. The reversal of 11387169 is 96178311.

It is not a de Polignac number, because 11387169 - 2⁹ = 11386657 is a prime.

It is a super-2 number, since 2×11387169² = 259335235669122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11387179) 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, 6489 + ... + 8054.

It is an arithmetic number, because the mean of its divisors is an integer number (1090800).

Almost surely, 2^11387169 is an apocalyptic number.

It is an amenable number.

11387169 is a deficient number, since it is larger than the sum of its proper divisors (6065631).

11387169 is a wasteful number, since it uses less digits than its factorization.

11387169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14581 (or 14575 counting only the distinct ones).

The product of its digits is 9072, while the sum is 36.

The square root of 11387169 is about 3374.4879611580. The cubic root of 11387169 is about 224.9772421427.

The spelling of 11387169 in words is "eleven million, three hundred eighty-seven thousand, one hundred sixty-nine".