1304472969 has 12 divisors (see below), whose sum is σ = 1885682292. Its totient is φ = 868982400.

The previous prime is 1304472959. The next prime is 1304472977. The reversal of 1304472969 is 9692744031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1165539600 + 138933369 = 34140^2 + 11787^2 .

It is not a de Polignac number, because 1304472969 - 2⁵ = 1304472937 is a prime.

It is a super-2 number, since 2×1304472969² = 3403299453703349922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1304472919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42972 + ... + 66749.

It is an arithmetic number, because the mean of its divisors is an integer number (157140191).

Almost surely, 2^1304472969 is an apocalyptic number.

It is an amenable number.

1304472969 is a deficient number, since it is larger than the sum of its proper divisors (581209323).

1304472969 is a wasteful number, since it uses less digits than its factorization.

1304472969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111048 (or 111045 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 1304472969 is about 36117.4884093565. The cubic root of 1304472969 is about 1092.6431851737.

The spelling of 1304472969 in words is "one billion, three hundred four million, four hundred seventy-two thousand, nine hundred sixty-nine".