1213700 has 36 divisors (see below), whose sum is σ = 2695140. Its totient is φ = 474240.

The previous prime is 1213673. The next prime is 1213721. The reversal of 1213700 is 73121.

It can be written as a sum of positive squares in 6 ways, for example, as 64516 + 1149184 = 254^2 + 1072^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5186 + ... + 5414.

It is an arithmetic number, because the mean of its divisors is an integer number (74865).

2^1213700 is an apocalyptic number.

1213700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1213700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1347570).

1213700 is an abundant number, since it is smaller than the sum of its proper divisors (1481440).

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

1213700 is a wasteful number, since it uses less digits than its factorization.

1213700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 1213700 is about 1101.6805344563. The cubic root of 1213700 is about 106.6687282588.

Adding to 1213700 its reverse (73121), we get a palindrome (1286821).

The spelling of 1213700 in words is "one million, two hundred thirteen thousand, seven hundred".