12001607 has 4 divisors (see below), whose sum is σ = 12523440. Its totient is φ = 11479776.

The previous prime is 12001571. The next prime is 12001667. The reversal of 12001607 is 70610021.

It is a happy number.

12001607 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12001607 - 2⁶ = 12001543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001667) 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, 260882 + ... + 260927.

It is an arithmetic number, because the mean of its divisors is an integer number (3130860).

Almost surely, 2^12001607 is an apocalyptic number.

12001607 is a deficient number, since it is larger than the sum of its proper divisors (521833).

12001607 is an equidigital number, since it uses as much as digits as its factorization.

12001607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521832.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 12001607 is about 3464.3335578434. Note that the first 3 decimals coincide. The cubic root of 12001607 is about 228.9530678089.

Adding to 12001607 its reverse (70610021), we get a palindrome (82611628).

The spelling of 12001607 in words is "twelve million, one thousand, six hundred seven".