1302220013 has 4 divisors (see below), whose sum is σ = 1306462080. Its totient is φ = 1297977948.

The previous prime is 1302219949. The next prime is 1302220019. The reversal of 1302220013 is 3100222031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3100222031 = 1187 ⋅2611813.

It is a cyclic number.

It is not a de Polignac number, because 1302220013 - 2⁶ = 1302219949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1302220013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302220019) 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, 2120573 + ... + 2121186.

It is an arithmetic number, because the mean of its divisors is an integer number (326615520).

Almost surely, 2^1302220013 is an apocalyptic number.

It is an amenable number.

1302220013 is a deficient number, since it is larger than the sum of its proper divisors (4242067).

1302220013 is an equidigital number, since it uses as much as digits as its factorization.

1302220013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4242066.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1302220013 is about 36086.2856636701. The cubic root of 1302220013 is about 1092.0137878033.

Adding to 1302220013 its reverse (3100222031), we get a palindrome (4402442044).

The spelling of 1302220013 in words is "one billion, three hundred two million, two hundred twenty thousand, thirteen".