346120013 has 4 divisors (see below), whose sum is σ = 346251420. Its totient is φ = 345988608.

The previous prime is 346120003. The next prime is 346120063. The reversal of 346120013 is 310021643.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310021643 = 601 ⋅515843.

It can be written as a sum of positive squares in 2 ways, for example, as 81667369 + 264452644 = 9037^2 + 16262^2 .

It is a cyclic number.

It is not a de Polignac number, because 346120013 - 2⁸ = 346119757 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 (346120003) 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, 61670 + ... + 67047.

It is an arithmetic number, because the mean of its divisors is an integer number (86562855).

Almost surely, 2^346120013 is an apocalyptic number.

It is an amenable number.

346120013 is a deficient number, since it is larger than the sum of its proper divisors (131407).

346120013 is a wasteful number, since it uses less digits than its factorization.

346120013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131406.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 346120013 is about 18604.3009274737. The cubic root of 346120013 is about 702.1160546812.

Adding to 346120013 its reverse (310021643), we get a palindrome (656141656).

The spelling of 346120013 in words is "three hundred forty-six million, one hundred twenty thousand, thirteen".