12078958 has 8 divisors (see below), whose sum is σ = 18539928. Its totient is φ = 5898984.

The previous prime is 12078947. The next prime is 12078971. The reversal of 12078958 is 85987021.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12078958.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70141 + ... + 70312.

It is an arithmetic number, because the mean of its divisors is an integer number (2317491).

Almost surely, 2^12078958 is an apocalyptic number.

12078958 is a deficient number, since it is larger than the sum of its proper divisors (6460970).

12078958 is a wasteful number, since it uses less digits than its factorization.

12078958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140498.

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 12078958 is about 3475.4795352584. The cubic root of 12078958 is about 229.4438864588.

The spelling of 12078958 in words is "twelve million, seventy-eight thousand, nine hundred fifty-eight".