11652081 has 16 divisors (see below), whose sum is σ = 17931264. Its totient is φ = 6592464.

The previous prime is 11652079. The next prime is 11652101. The reversal of 11652081 is 18025611.

It is not a de Polignac number, because 11652081 - 2¹ = 11652079 is a prime.

It is a super-2 number, since 2×11652081² = 271541983261122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11652061) 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, 531 + ... + 4856.

It is an arithmetic number, because the mean of its divisors is an integer number (1120704).

Almost surely, 2^11652081 is an apocalyptic number.

It is an amenable number.

11652081 is a deficient number, since it is larger than the sum of its proper divisors (6279183).

11652081 is a wasteful number, since it uses less digits than its factorization.

11652081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5500.

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 11652081 is about 3413.5144645951. The cubic root of 11652081 is about 226.7085147167.

Adding to 11652081 its reverse (18025611), we get a palindrome (29677692).

The spelling of 11652081 in words is "eleven million, six hundred fifty-two thousand, eighty-one".