1289372 has 12 divisors (see below), whose sum is σ = 2578800. Its totient is φ = 552576.

The previous prime is 1289371. The next prime is 1289381. The reversal of 1289372 is 2739821.

1289372 is an admirable number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1289371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22997 + ... + 23052.

It is an arithmetic number, because the mean of its divisors is an integer number (214900).

2^1289372 is an apocalyptic number.

It is an amenable number.

1289372 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1289372 is a wasteful number, since it uses less digits than its factorization.

1289372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46060 (or 46058 counting only the distinct ones).

The product of its digits is 6048, while the sum is 32.

The square root of 1289372 is about 1135.5051739204. The cubic root of 1289372 is about 108.8410555482.

It can be divided in two parts, 1289 and 372, that added together give a palindrome (1661).

The spelling of 1289372 in words is "one million, two hundred eighty-nine thousand, three hundred seventy-two".