11400013 has 8 divisors (see below), whose sum is σ = 12165120. Its totient is φ = 10645440.

The previous prime is 11399989. The next prime is 11400017. The reversal of 11400013 is 31000411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11400013 - 2⁹ = 11399501 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 (11400017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333 + ... + 4786.

It is an arithmetic number, because the mean of its divisors is an integer number (1520640).

Almost surely, 2^11400013 is an apocalyptic number.

It is an amenable number.

11400013 is a deficient number, since it is larger than the sum of its proper divisors (765107).

11400013 is a wasteful number, since it uses less digits than its factorization.

11400013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5267.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 11400013 is about 3376.3905283601. The cubic root of 11400013 is about 225.0617970175.

Adding to 11400013 its reverse (31000411), we get a palindrome (42400424).

The spelling of 11400013 in words is "eleven million, four hundred thousand, thirteen".