12012401 has 8 divisors (see below), whose sum is σ = 12317184. Its totient is φ = 11709760.

The previous prime is 12012367. The next prime is 12012433. The reversal of 12012401 is 10421021.

12012401 is nontrivially palindromic in base 7.

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 12012401 - 2⁶ = 12012337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012461) 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, 19961 + ... + 20553.

It is an arithmetic number, because the mean of its divisors is an integer number (1539648).

Almost surely, 2^12012401 is an apocalyptic number.

It is an amenable number.

12012401 is a deficient number, since it is larger than the sum of its proper divisors (304783).

12012401 is an equidigital number, since it uses as much as digits as its factorization.

12012401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 12012401 is about 3465.8910831127. The cubic root of 12012401 is about 229.0216858114.

Adding to 12012401 its reverse (10421021), we get a palindrome (22433422).

It can be divided in two parts, 1201 and 2401, that multiplied together give a triangular number (2883601 = T₂₄₀₁).

The spelling of 12012401 in words is "twelve million, twelve thousand, four hundred one".