11378689 has 12 divisors (see below), whose sum is σ = 13342912. Its totient is φ = 9505440.

The previous prime is 11378687. The next prime is 11378707. The reversal of 11378689 is 98687311.

It is not a de Polignac number, because 11378689 - 2¹ = 11378687 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 (11378687) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11284 + ... + 12250.

It is a Proth number, since it is equal to 1389 ⋅ 2¹³ + 1 and 1389 < 2¹³.

Almost surely, 2^11378689 is an apocalyptic number.

It is an amenable number.

11378689 is a deficient number, since it is larger than the sum of its proper divisors (1964223).

11378689 is an frugal number, since it uses more digits than its factorization.

11378689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056 (or 1015 counting only the distinct ones).

The product of its digits is 72576, while the sum is 43.

The square root of 11378689 is about 3373.2312402206. The cubic root of 11378689 is about 224.9213815862.

The spelling of 11378689 in words is "eleven million, three hundred seventy-eight thousand, six hundred eighty-nine".