1213562 has 16 divisors (see below), whose sum is σ = 2203200. Its totient is φ = 489408.

The previous prime is 1213561. The next prime is 1213573. The reversal of 1213562 is 2653121.

It is not an unprimeable number, because it can be changed into a prime (1213561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2312 + ... + 2787.

It is an arithmetic number, because the mean of its divisors is an integer number (137700).

2^1213562 is an apocalyptic number.

1213562 is a deficient number, since it is larger than the sum of its proper divisors (989638).

1213562 is a wasteful number, since it uses less digits than its factorization.

1213562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5125.

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

The square root of 1213562 is about 1101.6179010891. The cubic root of 1213562 is about 106.6646852931.

Adding to 1213562 its reverse (2653121), we get a palindrome (3866683).

The spelling of 1213562 in words is "one million, two hundred thirteen thousand, five hundred sixty-two".