1213413 has 8 divisors (see below), whose sum is σ = 1622976. Its totient is φ = 806400.

The previous prime is 1213379. The next prime is 1213427. The reversal of 1213413 is 3143121.

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

It is not a de Polignac number, because 1213413 - 2¹⁴ = 1197029 is a prime.

It is a super-2 number, since 2×1213413² = 2944742217138, which contains 22 as substring.

1213413 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1213392 and 1213401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213483) 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, 1573 + ... + 2213.

It is an arithmetic number, because the mean of its divisors is an integer number (202872).

2^1213413 is an apocalyptic number.

It is an amenable number.

1213413 is a deficient number, since it is larger than the sum of its proper divisors (409563).

1213413 is an equidigital number, since it uses as much as digits as its factorization.

1213413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275.

The product of its digits is 72, while the sum is 15.

The square root of 1213413 is about 1101.5502712087. The cubic root of 1213413 is about 106.6603197178.

Adding to 1213413 its reverse (3143121), we get a palindrome (4356534).

The spelling of 1213413 in words is "one million, two hundred thirteen thousand, four hundred thirteen".