11361813 has 8 divisors (see below), whose sum is σ = 15172128. Its totient is φ = 7563024.

The previous prime is 11361809. The next prime is 11361817. The reversal of 11361813 is 31816311.

It is an interprime number because it is at equal distance from previous prime (11361809) and next prime (11361817).

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

It is not a de Polignac number, because 11361813 - 2² = 11361809 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11361817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231 + ... + 4772.

It is an arithmetic number, because the mean of its divisors is an integer number (1896516).

Almost surely, 2^11361813 is an apocalyptic number.

It is an amenable number.

11361813 is a deficient number, since it is larger than the sum of its proper divisors (3810315).

11361813 is an equidigital number, since it uses as much as digits as its factorization.

11361813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5763.

The product of its digits is 432, while the sum is 24.

The square root of 11361813 is about 3370.7288529337. The cubic root of 11361813 is about 224.8101311801.

The spelling of 11361813 in words is "eleven million, three hundred sixty-one thousand, eight hundred thirteen".