1300211604 has 18 divisors (see below), whose sum is σ = 3286646090. Its totient is φ = 433403856.

The previous prime is 1300211599. The next prime is 1300211609. The reversal of 1300211604 is 4061120031.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1300211599) and next prime (1300211609).

It can be written as a sum of positive squares in only one way, i.e., 678706704 + 621504900 = 26052^2 + 24930^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300211609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18058459 + ... + 18058530.

Almost surely, 2^1300211604 is an apocalyptic number.

It is an amenable number.

1300211604 is an abundant number, since it is smaller than the sum of its proper divisors (1986434486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1300211604 is a wasteful number, since it uses less digits than its factorization.

1300211604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36116999 (or 36116994 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1300211604 is about 36058.4470547471. The cubic root of 1300211604 is about 1091.4520960279.

Adding to 1300211604 its reverse (4061120031), we get a palindrome (5361331635).

The spelling of 1300211604 in words is "one billion, three hundred million, two hundred eleven thousand, six hundred four".