1212972 has 12 divisors (see below), whose sum is σ = 2830296. Its totient is φ = 404320.

The previous prime is 1212943. The next prime is 1212973. The reversal of 1212972 is 2792121.

1212972 is nontrivially palindromic in base 8.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1212973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50529 + ... + 50552.

It is an arithmetic number, because the mean of its divisors is an integer number (235858).

2^1212972 is an apocalyptic number.

1212972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1212972 is an abundant number, since it is smaller than the sum of its proper divisors (1617324).

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

1212972 is a wasteful number, since it uses less digits than its factorization.

1212972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101088 (or 101086 counting only the distinct ones).

The product of its digits is 504, while the sum is 24.

The square root of 1212972 is about 1101.3500805829. The cubic root of 1212972 is about 106.6473966926.

The spelling of 1212972 in words is "one million, two hundred twelve thousand, nine hundred seventy-two".