1213372 has 12 divisors (see below), whose sum is σ = 2137576. Its totient is φ = 602640.

The previous prime is 1213367. The next prime is 1213379. The reversal of 1213372 is 2733121.

It is a super-2 number, since 2×1213372² = 2944543220768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213379) 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, 279 + ... + 1582.

2^1213372 is an apocalyptic number.

It is an amenable number.

1213372 is a deficient number, since it is larger than the sum of its proper divisors (924204).

1213372 is a wasteful number, since it uses less digits than its factorization.

1213372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2028 (or 2026 counting only the distinct ones).

The product of its digits is 252, while the sum is 19.

The square root of 1213372 is about 1101.5316609158. The cubic root of 1213372 is about 106.6591183895.

Adding to 1213372 its reverse (2733121), we get a palindrome (3946493).

The spelling of 1213372 in words is "one million, two hundred thirteen thousand, three hundred seventy-two".