11321146 has 8 divisors (see below), whose sum is σ = 17005140. Its totient is φ = 5652768.

The previous prime is 11321137. The next prime is 11321147. The reversal of 11321146 is 64112311.

It can be written as a sum of positive squares in 2 ways, for example, as 11148921 + 172225 = 3339^2 + 415^2 .

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

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (11321147) 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, 1881 + ... + 5116.

Almost surely, 2^11321146 is an apocalyptic number.

11321146 is a deficient number, since it is larger than the sum of its proper divisors (5683994).

11321146 is an equidigital number, since it uses as much as digits as its factorization.

11321146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7808.

The product of its digits is 144, while the sum is 19.

The square root of 11321146 is about 3364.6910705145. The cubic root of 11321146 is about 224.5415917901.

Adding to 11321146 its reverse (64112311), we get a palindrome (75433457).

It can be divided in two parts, 1132 and 1146, that added together give a triangular number (2278 = T₆₇).

The spelling of 11321146 in words is "eleven million, three hundred twenty-one thousand, one hundred forty-six".