1213652 has 12 divisors (see below), whose sum is σ = 2317056. Its totient is φ = 551640.

The previous prime is 1213651. The next prime is 1213657. The reversal of 1213652 is 2563121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213651) 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, 13748 + ... + 13835.

It is an arithmetic number, because the mean of its divisors is an integer number (193088).

2^1213652 is an apocalyptic number.

It is an amenable number.

1213652 is a deficient number, since it is larger than the sum of its proper divisors (1103404).

1213652 is a wasteful number, since it uses less digits than its factorization.

1213652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27598 (or 27596 counting only the distinct ones).

The product of its digits is 360, while the sum is 20.

The square root of 1213652 is about 1101.6587493412. The cubic root of 1213652 is about 106.6673220446.

Adding to 1213652 its reverse (2563121), we get a palindrome (3776773).

It can be divided in two parts, 121 and 3652, that added together give a palindrome (3773).

The spelling of 1213652 in words is "one million, two hundred thirteen thousand, six hundred fifty-two".