11666413 has 8 divisors (see below), whose sum is σ = 12967776. Its totient is φ = 10405200.

The previous prime is 11666407. The next prime is 11666419. The reversal of 11666413 is 31466611.

11666413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11666407) and next prime (11666419).

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

It is a cyclic number.

It is not a de Polignac number, because 11666413 - 2¹³ = 11658221 is a prime.

It is a super-2 number, since 2×11666413² = 272210384573138, which contains 22 as substring.

It is a Duffinian number.

11666413 is a modest number, since divided by 6413 gives 1166 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11666419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9423 + ... + 10588.

It is an arithmetic number, because the mean of its divisors is an integer number (1620972).

Almost surely, 2^11666413 is an apocalyptic number.

It is an amenable number.

11666413 is a deficient number, since it is larger than the sum of its proper divisors (1301363).

11666413 is a wasteful number, since it uses less digits than its factorization.

11666413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20075.

The product of its digits is 2592, while the sum is 28.

The square root of 11666413 is about 3415.6131221202. The cubic root of 11666413 is about 226.8014267376.

The spelling of 11666413 in words is "eleven million, six hundred sixty-six thousand, four hundred thirteen".