1213258 has 8 divisors (see below), whose sum is σ = 1858752. Its totient is φ = 593676.

The previous prime is 1213253. The next prime is 1213259. The reversal of 1213258 is 8523121.

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

It is not an unprimeable number, because it can be changed into a prime (1213253) 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, 6360 + ... + 6547.

It is an arithmetic number, because the mean of its divisors is an integer number (232344).

2^1213258 is an apocalyptic number.

1213258 is a deficient number, since it is larger than the sum of its proper divisors (645494).

1213258 is a wasteful number, since it uses less digits than its factorization.

1213258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12956.

The product of its digits is 480, while the sum is 22.

The square root of 1213258 is about 1101.4799135708. The cubic root of 1213258 is about 106.6557779684.

Adding to 1213258 its reverse (8523121), we get a palindrome (9736379).

The spelling of 1213258 in words is "one million, two hundred thirteen thousand, two hundred fifty-eight".