1312132654 has 16 divisors (see below), whose sum is σ = 2270395008. Its totient is φ = 557086392.

The previous prime is 1312132643. The next prime is 1312132663. The reversal of 1312132654 is 4562312131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436464 + ... + 439459.

It is an arithmetic number, because the mean of its divisors is an integer number (141899688).

Almost surely, 2^1312132654 is an apocalyptic number.

1312132654 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1312132654 is a deficient number, since it is larger than the sum of its proper divisors (958262354).

1312132654 is a wasteful number, since it uses less digits than its factorization.

1312132654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876039.

The product of its digits is 4320, while the sum is 28.

The square root of 1312132654 is about 36223.3716542235. The cubic root of 1312132654 is about 1094.7776294829. Note that the first 3 decimals are identical.

Adding to 1312132654 its reverse (4562312131), we get a palindrome (5874444785).

The spelling of 1312132654 in words is "one billion, three hundred twelve million, one hundred thirty-two thousand, six hundred fifty-four".