11378013 has 4 divisors (see below), whose sum is σ = 15170688. Its totient is φ = 7585340.

The previous prime is 11378011. The next prime is 11378021. The reversal of 11378013 is 31087311.

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 11378013 - 2¹ = 11378011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11378011) 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, 1896333 + ... + 1896338.

It is an arithmetic number, because the mean of its divisors is an integer number (3792672).

Almost surely, 2^11378013 is an apocalyptic number.

It is an amenable number.

11378013 is a deficient number, since it is larger than the sum of its proper divisors (3792675).

11378013 is an equidigital number, since it uses as much as digits as its factorization.

11378013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3792674.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 11378013 is about 3373.1310380713. The cubic root of 11378013 is about 224.9169273571.

The spelling of 11378013 in words is "eleven million, three hundred seventy-eight thousand, thirteen".