1299472 has 20 divisors (see below), whose sum is σ = 2535676. Its totient is φ = 645120.

The previous prime is 1299457. The next prime is 1299491. The reversal of 1299472 is 2749921.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 665856 + 633616 = 816^2 + 796^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3688 + ... + 4024.

2^1299472 is an apocalyptic number.

It is an amenable number.

1299472 is a deficient number, since it is larger than the sum of its proper divisors (1236204).

1299472 is a wasteful number, since it uses less digits than its factorization.

1299472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586 (or 580 counting only the distinct ones).

The product of its digits is 9072, while the sum is 34.

The square root of 1299472 is about 1139.9438582667. The cubic root of 1299472 is about 109.1245105247.

It can be divided in two parts, 1299 and 472, that added together give a palindrome (1771).

The spelling of 1299472 in words is "one million, two hundred ninety-nine thousand, four hundred seventy-two".