12078011 has 8 divisors (see below), whose sum is σ = 13425264. Its totient is φ = 10772320.

The previous prime is 12077993. The next prime is 12078019. The reversal of 12078011 is 11087021.

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 12078011 - 2¹⁴ = 12061627 is a prime.

It is a super-2 number, since 2×12078011² = 291756699432242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12078019) 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, 9776 + ... + 10941.

It is an arithmetic number, because the mean of its divisors is an integer number (1678158).

Almost surely, 2^12078011 is an apocalyptic number.

12078011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12078011 is a deficient number, since it is larger than the sum of its proper divisors (1347253).

12078011 is a wasteful number, since it uses less digits than its factorization.

12078011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20781.

The product of its (nonzero) digits is 112, while the sum is 20.

The square root of 12078011 is about 3475.3432923957. The cubic root of 12078011 is about 229.4378901072.

The spelling of 12078011 in words is "twelve million, seventy-eight thousand, eleven".