2713421 has 12 divisors (see below), whose sum is σ = 2965620. Its totient is φ = 2480640.

The previous prime is 2713411. The next prime is 2713423. The reversal of 2713421 is 1243172.

It can be written as a sum of positive squares in 6 ways, for example, as 198025 + 2515396 = 445^2 + 1586^2 .

It is not a de Polignac number, because 2713421 - 2¹⁸ = 2451277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2713393 and 2713402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2713423) 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, 11735 + ... + 11963.

It is an arithmetic number, because the mean of its divisors is an integer number (247135).

2^2713421 is an apocalyptic number.

It is an amenable number.

2713421 is a deficient number, since it is larger than the sum of its proper divisors (252199).

2713421 is a wasteful number, since it uses less digits than its factorization.

2713421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 287 counting only the distinct ones).

The product of its digits is 336, while the sum is 20.

The square root of 2713421 is about 1647.2464903590. The cubic root of 2713421 is about 139.4780051224.

Adding to 2713421 its reverse (1243172), we get a palindrome (3956593).

The spelling of 2713421 in words is "two million, seven hundred thirteen thousand, four hundred twenty-one".