12006901 has 4 divisors (see below), whose sum is σ = 12141900. Its totient is φ = 11871904.

The previous prime is 12006893. The next prime is 12006923. The reversal of 12006901 is 10960021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10960021 = 997 ⋅10993.

It can be written as a sum of positive squares in 2 ways, for example, as 2235025 + 9771876 = 1495^2 + 3126^2 .

It is a cyclic number.

It is not a de Polignac number, because 12006901 - 2³ = 12006893 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 (12006941) 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, 67366 + ... + 67543.

It is an arithmetic number, because the mean of its divisors is an integer number (3035475).

Almost surely, 2^12006901 is an apocalyptic number.

It is an amenable number.

12006901 is a deficient number, since it is larger than the sum of its proper divisors (134999).

12006901 is an equidigital number, since it uses as much as digits as its factorization.

12006901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134998.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 12006901 is about 3465.0975455245. The cubic root of 12006901 is about 228.9867271726.

Adding to 12006901 its reverse (10960021), we get a palindrome (22966922).

The spelling of 12006901 in words is "twelve million, six thousand, nine hundred one".