1299272 has 36 divisors (see below), whose sum is σ = 2725785. Its totient is φ = 580320.

The previous prime is 1299269. The next prime is 1299283. The reversal of 1299272 is 2729921.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 1110916 + 188356 = 1054^2 + 434^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=806.

It is a super-3 number, since 3×1299272³ = 6579933319655314944, which contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 41897 + ... + 41927.

2^1299272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1299272

1299272 is an abundant number, since it is smaller than the sum of its proper divisors (1426513).

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

1299272 is a wasteful number, since it uses less digits than its factorization.

1299272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 46 counting only the distinct ones).

The product of its digits is 4536, while the sum is 32.

The square root of 1299272 is about 1139.8561312727. The cubic root of 1299272 is about 109.1189118349.

Multiplying 1299272 by its sum of digits (32), we get a square (41576704 = 6448²).

The spelling of 1299272 in words is "one million, two hundred ninety-nine thousand, two hundred seventy-two".