1235213 has 4 divisors (see below), whose sum is σ = 1411680. Its totient is φ = 1058748.

The previous prime is 1235191. The next prime is 1235239. The reversal of 1235213 is 3125321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3125321 = 419 ⋅7459.

It is a cyclic number.

It is not a de Polignac number, because 1235213 - 2⁶ = 1235149 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 = 1235191 and 1235200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1235243) 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, 88223 + ... + 88236.

It is an arithmetic number, because the mean of its divisors is an integer number (352920).

2^1235213 is an apocalyptic number.

It is an amenable number.

1235213 is a deficient number, since it is larger than the sum of its proper divisors (176467).

1235213 is an equidigital number, since it uses as much as digits as its factorization.

1235213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176466.

The product of its digits is 180, while the sum is 17.

The square root of 1235213 is about 1111.4013676436. The cubic root of 1235213 is about 107.2952801163.

The spelling of 1235213 in words is "one million, two hundred thirty-five thousand, two hundred thirteen".