11866465 has 8 divisors (see below), whose sum is σ = 15335208. Its totient is φ = 8762880.

The previous prime is 11866451. The next prime is 11866483. The reversal of 11866465 is 56466811.

It can be written as a sum of positive squares in 4 ways, for example, as 1937664 + 9928801 = 1392^2 + 3151^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11866465 - 2²¹ = 9769313 is a prime.

It is a Duffinian 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, 91216 + ... + 91345.

It is an arithmetic number, because the mean of its divisors is an integer number (1916901).

Almost surely, 2^11866465 is an apocalyptic number.

It is an amenable number.

11866465 is a deficient number, since it is larger than the sum of its proper divisors (3468743).

11866465 is a wasteful number, since it uses less digits than its factorization.

11866465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182579.

The product of its digits is 34560, while the sum is 37.

The square root of 11866465 is about 3444.7735774649. The cubic root of 11866465 is about 228.0904598985.

The spelling of 11866465 in words is "eleven million, eight hundred sixty-six thousand, four hundred sixty-five".