11652891 has 16 divisors (see below), whose sum is σ = 16228128. Its totient is φ = 7430400.

The previous prime is 11652889. The next prime is 11652911. The reversal of 11652891 is 19825611.

It is not a de Polignac number, because 11652891 - 2¹ = 11652889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11652391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5911 + ... + 7631.

It is an arithmetic number, because the mean of its divisors is an integer number (1014258).

Almost surely, 2^11652891 is an apocalyptic number.

11652891 is a deficient number, since it is larger than the sum of its proper divisors (4575237).

11652891 is a wasteful number, since it uses less digits than its factorization.

11652891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822.

The product of its digits is 4320, while the sum is 33.

The square root of 11652891 is about 3413.6331085809. The cubic root of 11652891 is about 226.7137678453.

The spelling of 11652891 in words is "eleven million, six hundred fifty-two thousand, eight hundred ninety-one".