1301906 has 4 divisors (see below), whose sum is σ = 1952862. Its totient is φ = 650952.

The previous prime is 1301903. The next prime is 1301921. The reversal of 1301906 is 6091031.

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

It can be written as a sum of positive squares in only one way, i.e., 1301881 + 25 = 1141^2 + 5^2 .

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (1301903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325475 + ... + 325478.

2^1301906 is an apocalyptic number.

1301906 is a deficient number, since it is larger than the sum of its proper divisors (650956).

1301906 is an equidigital number, since it uses as much as digits as its factorization.

1301906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650955.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 1301906 is about 1141.0109552498. The cubic root of 1301906 is about 109.1926005890.

Adding to 1301906 its reverse (6091031), we get a palindrome (7392937).

The spelling of 1301906 in words is "one million, three hundred one thousand, nine hundred six".