1972312 has 8 divisors (see below), whose sum is σ = 3698100. Its totient is φ = 986152.

The previous prime is 1972307. The next prime is 1972343. The reversal of 1972312 is 2132791.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123262 + ... + 123277.

2^1972312 is an apocalyptic number.

It is an amenable number.

1972312 is a deficient number, since it is larger than the sum of its proper divisors (1725788).

1972312 is a wasteful number, since it uses less digits than its factorization.

1972312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246545 (or 246541 counting only the distinct ones).

The product of its digits is 756, while the sum is 25.

The square root of 1972312 is about 1404.3902591516. The cubic root of 1972312 is about 125.4079895739.

The spelling of 1972312 in words is "one million, nine hundred seventy-two thousand, three hundred twelve".