1213411 has 4 divisors (see below), whose sum is σ = 1266192. Its totient is φ = 1160632.

The previous prime is 1213379. The next prime is 1213427. The reversal of 1213411 is 1143121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1213411 - 2⁵ = 1213379 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1213391 and 1213400.

It is not an unprimeable number, because it can be changed into a prime (1213451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26356 + ... + 26401.

It is an arithmetic number, because the mean of its divisors is an integer number (316548).

2^1213411 is an apocalyptic number.

1213411 is a deficient number, since it is larger than the sum of its proper divisors (52781).

1213411 is an equidigital number, since it uses as much as digits as its factorization.

1213411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52780.

The product of its digits is 24, while the sum is 13.

The square root of 1213411 is about 1101.5493633968. The cubic root of 1213411 is about 106.6602611171.

Adding to 1213411 its reverse (1143121), we get a palindrome (2356532).

The spelling of 1213411 in words is "one million, two hundred thirteen thousand, four hundred eleven".