1312024147 has 24 divisors (see below), whose sum is σ = 1620382320. Its totient is φ = 1055577600.

The previous prime is 1312024111. The next prime is 1312024159. The reversal of 1312024147 is 7414202131.

It is not a de Polignac number, because 1312024147 - 2¹⁵ = 1311991379 is a prime.

It is a super-2 number, since 2×1312024147² = 3442814724622155218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312024447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 338772 + ... + 342622.

It is an arithmetic number, because the mean of its divisors is an integer number (67515930).

Almost surely, 2^1312024147 is an apocalyptic number.

1312024147 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1312024147 is a deficient number, since it is larger than the sum of its proper divisors (308358173).

1312024147 is a wasteful number, since it uses less digits than its factorization.

1312024147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4291 (or 4284 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1312024147 is about 36221.8738747735. The cubic root of 1312024147 is about 1094.7474510528.

Adding to 1312024147 its reverse (7414202131), we get a palindrome (8726226278).

The spelling of 1312024147 in words is "one billion, three hundred twelve million, twenty-four thousand, one hundred forty-seven".