12049901 has 4 divisors (see below), whose sum is σ = 12375612. Its totient is φ = 11724192.

The previous prime is 12049897. The next prime is 12049903. The reversal of 12049901 is 10994021.

12049901 is digitally balanced in base 3, 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 can be written as a sum of positive squares in 2 ways, for example, as 6120676 + 5929225 = 2474^2 + 2435^2 .

It is a cyclic number.

It is not a de Polignac number, because 12049901 - 2² = 12049897 is a prime.

It is a super-2 number, since 2×12049901² = 290400228219602, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12049903) 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, 162800 + ... + 162873.

It is an arithmetic number, because the mean of its divisors is an integer number (3093903).

Almost surely, 2^12049901 is an apocalyptic number.

It is an amenable number.

12049901 is a deficient number, since it is larger than the sum of its proper divisors (325711).

12049901 is an equidigital number, since it uses as much as digits as its factorization.

12049901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325710.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 12049901 is about 3471.2967317704. The cubic root of 12049901 is about 229.2597562233.

The spelling of 12049901 in words is "twelve million, forty-nine thousand, nine hundred one".