11821652 has 12 divisors (see below), whose sum is σ = 20715156. Its totient is φ = 5903040.

The previous prime is 11821643. The next prime is 11821661. The reversal of 11821652 is 25612811.

It is an interprime number because it is at equal distance from previous prime (11821643) and next prime (11821661).

It can be written as a sum of positive squares in 2 ways, for example, as 9523396 + 2298256 = 3086^2 + 1516^2 .

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2702 + ... + 5562.

It is an arithmetic number, because the mean of its divisors is an integer number (1726263).

Almost surely, 2^11821652 is an apocalyptic number.

It is an amenable number.

11821652 is a deficient number, since it is larger than the sum of its proper divisors (8893504).

11821652 is a wasteful number, since it uses less digits than its factorization.

11821652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3898 (or 3896 counting only the distinct ones).

The product of its digits is 960, while the sum is 26.

The square root of 11821652 is about 3438.2629335174. The cubic root of 11821652 is about 227.8029743471.

The spelling of 11821652 in words is "eleven million, eight hundred twenty-one thousand, six hundred fifty-two".