11812330 has 16 divisors (see below), whose sum is σ = 21459240. Its totient is φ = 4681152.

The previous prime is 11812327. The next prime is 11812343. The reversal of 11812330 is 3321811.

It can be written as a sum of positive squares in 4 ways, for example, as 8946081 + 2866249 = 2991^2 + 1693^2 .

It is a super-2 number, since 2×11812330² = 279062280057800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11812298 and 11812307.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4329 + ... + 6508.

Almost surely, 2^11812330 is an apocalyptic number.

11812330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11812330 is a deficient number, since it is larger than the sum of its proper divisors (9646910).

11812330 is a wasteful number, since it uses less digits than its factorization.

11812330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10953.

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

The square root of 11812330 is about 3436.9070397670. The cubic root of 11812330 is about 227.7430803561.

The spelling of 11812330 in words is "eleven million, eight hundred twelve thousand, three hundred thirty".