1243214013 has 16 divisors (see below), whose sum is σ = 1699129152. Its totient is φ = 808080000.

The previous prime is 1243214003. The next prime is 1243214051. The reversal of 1243214013 is 3104123421.

1243214013 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1243214013 - 2⁵ = 1243213981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243214003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334063 + ... + 337763.

It is an arithmetic number, because the mean of its divisors is an integer number (106195572).

Almost surely, 2^1243214013 is an apocalyptic number.

It is an amenable number.

1243214013 is a deficient number, since it is larger than the sum of its proper divisors (455915139).

1243214013 is a wasteful number, since it uses less digits than its factorization.

1243214013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6476.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1243214013 is about 35259.2401080908. The cubic root of 1243214013 is about 1075.2644780666.

Adding to 1243214013 its reverse (3104123421), we get a palindrome (4347337434).

The spelling of 1243214013 in words is "one billion, two hundred forty-three million, two hundred fourteen thousand, thirteen".