11670558 has 8 divisors (see below), whose sum is σ = 23341128. Its totient is φ = 3890184.

The previous prime is 11670553. The next prime is 11670559. The reversal of 11670558 is 85507611.

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

11670558 is an admirable number.

It is a super-3 number, since 3×11670558³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11670553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 972541 + ... + 972552.

It is an arithmetic number, because the mean of its divisors is an integer number (2917641).

Almost surely, 2^11670558 is an apocalyptic number.

11670558 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11670558 is a wasteful number, since it uses less digits than its factorization.

11670558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945098.

The product of its (nonzero) digits is 8400, while the sum is 33.

The square root of 11670558 is about 3416.2198407011. The cubic root of 11670558 is about 226.8282839101.

The spelling of 11670558 in words is "eleven million, six hundred seventy thousand, five hundred fifty-eight".