1312622234 has 16 divisors (see below), whose sum is σ = 2454774336. Its totient is φ = 511411200.

The previous prime is 1312622219. The next prime is 1312622237. The reversal of 1312622234 is 4322262131.

It is not an unprimeable number, because it can be changed into a prime (1312622237) 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, 4261607 + ... + 4261914.

It is an arithmetic number, because the mean of its divisors is an integer number (153423396).

Almost surely, 2^1312622234 is an apocalyptic number.

1312622234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1312622234 is a deficient number, since it is larger than the sum of its proper divisors (1142152102).

1312622234 is a wasteful number, since it uses less digits than its factorization.

1312622234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8523541.

The product of its digits is 3456, while the sum is 26.

The square root of 1312622234 is about 36230.1288156694. The cubic root of 1312622234 is about 1094.9137728783.

Adding to 1312622234 its reverse (4322262131), we get a palindrome (5634884365).

The spelling of 1312622234 in words is "one billion, three hundred twelve million, six hundred twenty-two thousand, two hundred thirty-four".