1312969424 has 40 divisors (see below), whose sum is σ = 2791274472. Its totient is φ = 594547200.

The previous prime is 1312969423. The next prime is 1312969433. The reversal of 1312969424 is 4249692131.

It can be written as a sum of positive squares in 4 ways, for example, as 206209600 + 1106759824 = 14360^2 + 33268^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312969423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48527 + ... + 70574.

Almost surely, 2^1312969424 is an apocalyptic number.

It is an amenable number.

1312969424 is an abundant number, since it is smaller than the sum of its proper divisors (1478305048).

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

1312969424 is a wasteful number, since it uses less digits than its factorization.

1312969424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119175 (or 119169 counting only the distinct ones).

The product of its digits is 93312, while the sum is 41.

The square root of 1312969424 is about 36234.9199529956. The cubic root of 1312969424 is about 1095.0102996606.

The spelling of 1312969424 in words is "one billion, three hundred twelve million, nine hundred sixty-nine thousand, four hundred twenty-four".