1269472 has 12 divisors (see below), whose sum is σ = 2499336. Its totient is φ = 634720.

The previous prime is 1269467. The next prime is 1269493. The reversal of 1269472 is 2749621.

It is a super-2 number, since 2×1269472² = 3223118317568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 19804 + ... + 19867.

It is an arithmetic number, because the mean of its divisors is an integer number (208278).

2^1269472 is an apocalyptic number.

It is an amenable number.

1269472 is a deficient number, since it is larger than the sum of its proper divisors (1229864).

1269472 is an equidigital number, since it uses as much as digits as its factorization.

1269472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39681 (or 39673 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 1269472 is about 1126.7084804864. The cubic root of 1269472 is about 108.2782036395.

The spelling of 1269472 in words is "one million, two hundred sixty-nine thousand, four hundred seventy-two".