12648901 has 8 divisors (see below), whose sum is σ = 13855320. Its totient is φ = 11493888.

The previous prime is 12648893. The next prime is 12648917. The reversal of 12648901 is 10984621.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2402500 + 10246401 = 1550^2 + 3201^2 .

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 12648901 - 2³ = 12648893 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 (12648001) 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, 12336 + ... + 13321.

It is an arithmetic number, because the mean of its divisors is an integer number (1731915).

Almost surely, 2^12648901 is an apocalyptic number.

It is an amenable number.

12648901 is a deficient number, since it is larger than the sum of its proper divisors (1206419).

12648901 is a wasteful number, since it uses less digits than its factorization.

12648901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25703.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 12648901 is about 3556.5293475522. The cubic root of 12648901 is about 232.9973229383.

The spelling of 12648901 in words is "twelve million, six hundred forty-eight thousand, nine hundred one".