6121717 has 12 divisors (see below), whose sum is σ = 7541100. Its totient is φ = 4937856.

The previous prime is 6121681. The next prime is 6121721. The reversal of 6121717 is 7171216.

It can be written as a sum of positive squares in 2 ways, for example, as 4498641 + 1623076 = 2121^2 + 1274^2 .

It is not a de Polignac number, because 6121717 - 2¹¹ = 6119669 is a prime.

6121717 is a modest number, since divided by 1717 gives 612 as remainder.

6121717 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6121691 and 6121700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6121727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2842 + ... + 4507.

It is an arithmetic number, because the mean of its divisors is an integer number (628425).

Almost surely, 2^6121717 is an apocalyptic number.

It is an amenable number.

6121717 is a deficient number, since it is larger than the sum of its proper divisors (1419383).

6121717 is a wasteful number, since it uses less digits than its factorization.

6121717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7380 (or 7373 counting only the distinct ones).

The product of its digits is 588, while the sum is 25.

The square root of 6121717 is about 2474.2103790907. The cubic root of 6121717 is about 182.9325898612.

The spelling of 6121717 in words is "six million, one hundred twenty-one thousand, seven hundred seventeen".