1260433213 has 4 divisors (see below), whose sum is σ = 1357389628. Its totient is φ = 1163476800.

The previous prime is 1260433201. The next prime is 1260433283. The reversal of 1260433213 is 3123340621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3123340621 = 199 ⋅15695179.

It can be written as a sum of positive squares in 2 ways, for example, as 191600964 + 1068832249 = 13842^2 + 32693^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1260433213 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 (1260433283) 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, 48478188 + ... + 48478213.

It is an arithmetic number, because the mean of its divisors is an integer number (339347407).

Almost surely, 2^1260433213 is an apocalyptic number.

1260433213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1260433213 is a deficient number, since it is larger than the sum of its proper divisors (96956415).

1260433213 is an equidigital number, since it uses as much as digits as its factorization.

1260433213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96956414.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 1260433213 is about 35502.5803710097. The cubic root of 1260433213 is about 1080.2060686463.

Adding to 1260433213 its reverse (3123340621), we get a palindrome (4383773834).

The spelling of 1260433213 in words is "one billion, two hundred sixty million, four hundred thirty-three thousand, two hundred thirteen".