11796820 has 24 divisors (see below), whose sum is σ = 28312704. Its totient is φ = 4044576.

The previous prime is 11796817. The next prime is 11796839. The reversal of 11796820 is 2869711.

It is a happy number.

It is a super-2 number, since 2×11796820² = 278329924224800, which contains 22 as substring.

It is a congruent number.

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, 41992 + ... + 42271.

It is an arithmetic number, because the mean of its divisors is an integer number (1179696).

Almost surely, 2^11796820 is an apocalyptic number.

11796820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11796820 is an abundant number, since it is smaller than the sum of its proper divisors (16515884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11796820 is a wasteful number, since it uses less digits than its factorization.

11796820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84279 (or 84277 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 11796820 is about 3434.6499093794. The cubic root of 11796820 is about 227.6433585029.

The spelling of 11796820 in words is "eleven million, seven hundred ninety-six thousand, eight hundred twenty".