1213452 has 36 divisors (see below), whose sum is σ = 3153696. Its totient is φ = 393120.

The previous prime is 1213451. The next prime is 1213469. The reversal of 1213452 is 2543121.

1213452 is a `hidden beast` number, since 1 + 213 + 452 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1213451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 877 + ... + 1787.

2^1213452 is an apocalyptic number.

1213452 is a gapful number since it is divisible by the number (12) 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 1213452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1576848).

1213452 is an abundant number, since it is smaller than the sum of its proper divisors (1940244).

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

1213452 is a wasteful number, since it uses less digits than its factorization.

1213452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958 (or 953 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 1213452 is about 1101.5679733907. The cubic root of 1213452 is about 106.6614624197.

Adding to 1213452 its reverse (2543121), we get a palindrome (3756573).

The spelling of 1213452 in words is "one million, two hundred thirteen thousand, four hundred fifty-two".