1613213 has 8 divisors (see below), whose sum is σ = 1852032. Its totient is φ = 1376496.

The previous prime is 1613201. The next prime is 1613279. The reversal of 1613213 is 3123161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1613213 - 2⁶ = 1613149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1613191 and 1613200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1613413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1856 + ... + 2582.

It is an arithmetic number, because the mean of its divisors is an integer number (231504).

2^1613213 is an apocalyptic number.

It is an amenable number.

1613213 is a deficient number, since it is larger than the sum of its proper divisors (238819).

1613213 is an equidigital number, since it uses as much as digits as its factorization.

1613213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051.

The product of its digits is 108, while the sum is 17.

The square root of 1613213 is about 1270.1232223686. The cubic root of 1613213 is about 117.2817860336.

Adding to 1613213 its reverse (3123161), we get a palindrome (4736374).

The spelling of 1613213 in words is "one million, six hundred thirteen thousand, two hundred thirteen".