1297572 has 12 divisors (see below), whose sum is σ = 3027696. Its totient is φ = 432520.

The previous prime is 1297561. The next prime is 1297573. The reversal of 1297572 is 2757921.

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1297573) 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, 54054 + ... + 54077.

It is an arithmetic number, because the mean of its divisors is an integer number (252308).

2^1297572 is an apocalyptic number.

1297572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1297572 is an abundant number, since it is smaller than the sum of its proper divisors (1730124).

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

1297572 is a wasteful number, since it uses less digits than its factorization.

1297572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108138 (or 108136 counting only the distinct ones).

The product of its digits is 8820, while the sum is 33.

The square root of 1297572 is about 1139.1101790433. The cubic root of 1297572 is about 109.0712997582.

The spelling of 1297572 in words is "one million, two hundred ninety-seven thousand, five hundred seventy-two".