11993005 has 8 divisors (see below), whose sum is σ = 15017472. Its totient is φ = 9177168.

The previous prime is 11992993. The next prime is 11993039. The reversal of 11993005 is 50039911.

11993005 = T₃₄₆ + T₃₄₇ + ... + T₄₈₃.

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 11993005 - 2⁹ = 11992493 is a prime.

It is a Duffinian number.

It is a congruent 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, 52029 + ... + 52258.

It is an arithmetic number, because the mean of its divisors is an integer number (1877184).

Almost surely, 2^11993005 is an apocalyptic number.

It is an amenable number.

11993005 is a deficient number, since it is larger than the sum of its proper divisors (3024467).

11993005 is a wasteful number, since it uses less digits than its factorization.

11993005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104315.

The product of its (nonzero) digits is 1215, while the sum is 28.

The square root of 11993005 is about 3463.0918266774. The cubic root of 11993005 is about 228.8983549968.

It can be divided in two parts, 1 and 1993005, that added together give a triangular number (1993006 = T₁₉₉₆).

The spelling of 11993005 in words is "eleven million, nine hundred ninety-three thousand, five".