1201350013 has 4 divisors (see below), whose sum is σ = 1202967648. Its totient is φ = 1199732380.

The previous prime is 1201350011. The next prime is 1201350019. The reversal of 1201350013 is 3100531021.

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.

It is a cyclic number.

It is not a de Polignac number, because 1201350013 - 2¹ = 1201350011 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 (1201350011) 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, 807703 + ... + 809188.

It is an arithmetic number, because the mean of its divisors is an integer number (300741912).

Almost surely, 2^1201350013 is an apocalyptic number.

It is an amenable number.

1201350013 is a deficient number, since it is larger than the sum of its proper divisors (1617635).

1201350013 is an equidigital number, since it uses as much as digits as its factorization.

1201350013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617634.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 1201350013 is about 34660.4964332596. The cubic root of 1201350013 is about 1063.0569206375.

Adding to 1201350013 its reverse (3100531021), we get a palindrome (4301881034).

It can be divided in two parts, 12013 and 50013, that added together give a palindrome (62026).

The spelling of 1201350013 in words is "one billion, two hundred one million, three hundred fifty thousand, thirteen".