1213734 has 8 divisors (see below), whose sum is σ = 2427480. Its totient is φ = 404576.

The previous prime is 1213721. The next prime is 1213741. The reversal of 1213734 is 4373121.

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

1213734 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1213734.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101139 + ... + 101150.

It is an arithmetic number, because the mean of its divisors is an integer number (303435).

2^1213734 is an apocalyptic number.

1213734 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1213734 is a wasteful number, since it uses less digits than its factorization.

1213734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202294.

The product of its digits is 504, while the sum is 21.

The square root of 1213734 is about 1101.6959653189. The cubic root of 1213734 is about 106.6697243047.

Adding to 1213734 its reverse (4373121), we get a palindrome (5586855).

The spelling of 1213734 in words is "one million, two hundred thirteen thousand, seven hundred thirty-four".