1215368 has 32 divisors (see below), whose sum is σ = 2842560. Its totient is φ = 473280.

The previous prime is 1215367. The next prime is 1215391. The reversal of 1215368 is 8635121.

It is not an unprimeable number, because it can be changed into a prime (1215367) 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, 371 + ... + 1602.

It is an arithmetic number, because the mean of its divisors is an integer number (88830).

2^1215368 is an apocalyptic number.

It is an amenable number.

1215368 is an abundant number, since it is smaller than the sum of its proper divisors (1627192).

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

1215368 is a wasteful number, since it uses less digits than its factorization.

1215368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997 (or 1993 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

The square root of 1215368 is about 1102.4372998044. The cubic root of 1215368 is about 106.7175711891.

It can be divided in two parts, 12153 and 68, that added together give a palindrome (12221).

The spelling of 1215368 in words is "one million, two hundred fifteen thousand, three hundred sixty-eight".