247127013 has 12 divisors (see below), whose sum is σ = 407955808. Its totient is φ = 141215400.

The previous prime is 247127003. The next prime is 247127017. The reversal of 247127013 is 310721742.

It is a happy number.

It is not a de Polignac number, because 247127013 - 2⁵ = 247126981 is a prime.

It is a super-2 number, since 2×247127013² = 122143521108604338, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247127017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1961263 + ... + 1961388.

Almost surely, 2^247127013 is an apocalyptic number.

It is an amenable number.

247127013 is a deficient number, since it is larger than the sum of its proper divisors (160828795).

247127013 is a wasteful number, since it uses less digits than its factorization.

247127013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3922664 (or 3922661 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 247127013 is about 15720.2739479947. The cubic root of 247127013 is about 627.5380636477.

Adding to 247127013 its reverse (310721742), we get a palindrome (557848755).

It can be divided in two parts, 247 and 127013, that added together give a triangular number (127260 = T₅₀₄).

The spelling of 247127013 in words is "two hundred forty-seven million, one hundred twenty-seven thousand, thirteen".