1212349 has 4 divisors (see below), whose sum is σ = 1215360. Its totient is φ = 1209340.

The previous prime is 1212347. The next prime is 1212361. The reversal of 1212349 is 9432121.

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.

It is a cyclic number.

It is not a de Polignac number, because 1212349 - 2¹ = 1212347 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212347) 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, 787 + ... + 1744.

It is an arithmetic number, because the mean of its divisors is an integer number (303840).

2^1212349 is an apocalyptic number.

It is an amenable number.

1212349 is a deficient number, since it is larger than the sum of its proper divisors (3011).

1212349 is an equidigital number, since it uses as much as digits as its factorization.

1212349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3010.

The product of its digits is 432, while the sum is 22.

The square root of 1212349 is about 1101.0672095744. The cubic root of 1212349 is about 106.6291350162.

The spelling of 1212349 in words is "one million, two hundred twelve thousand, three hundred forty-nine".