1213430 has 8 divisors (see below), whose sum is σ = 2184192. Its totient is φ = 485368.

The previous prime is 1213427. The next prime is 1213439. The reversal of 1213430 is 343121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60662 + ... + 60681.

It is an arithmetic number, because the mean of its divisors is an integer number (273024).

2^1213430 is an apocalyptic number.

1213430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213430 is a deficient number, since it is larger than the sum of its proper divisors (970762).

1213430 is a wasteful number, since it uses less digits than its factorization.

1213430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121350.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1213430 is about 1101.5579875794. The cubic root of 1213430 is about 106.6608178217.

Adding to 1213430 its reverse (343121), we get a palindrome (1556551).

The spelling of 1213430 in words is "one million, two hundred thirteen thousand, four hundred thirty".