1312532104 has 16 divisors (see below), whose sum is σ = 2650305420. Its totient is φ = 605784000.

The previous prime is 1312532101. The next prime is 1312532131. The reversal of 1312532104 is 4012352131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1023872004 + 288660100 = 31998^2 + 16990^2 .

It is not an unprimeable number, because it can be changed into a prime (1312532101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6310147 + ... + 6310354.

Almost surely, 2^1312532104 is an apocalyptic number.

It is an amenable number.

1312532104 is an abundant number, since it is smaller than the sum of its proper divisors (1337773316).

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

1312532104 is a wasteful number, since it uses less digits than its factorization.

1312532104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12620520 (or 12620516 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1312532104 is about 36228.8849400585. The cubic root of 1312532104 is about 1094.8887118886. Note that the first 3 decimals are identical.

Adding to 1312532104 its reverse (4012352131), we get a palindrome (5324884235).

The spelling of 1312532104 in words is "one billion, three hundred twelve million, five hundred thirty-two thousand, one hundred four".