1312950029 has 4 divisors (see below), whose sum is σ = 1340885184. Its totient is φ = 1285014876.

The previous prime is 1312949993. The next prime is 1312950047. The reversal of 1312950029 is 9200592131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9200592131 = 45737 ⋅201163.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1312950029 is a prime.

It is a super-2 number, since 2×1312950029² = 3447675557302201682, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1312949977 and 1312950004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312950329) 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, 13967507 + ... + 13967600.

It is an arithmetic number, because the mean of its divisors is an integer number (335221296).

Almost surely, 2^1312950029 is an apocalyptic number.

It is an amenable number.

1312950029 is a deficient number, since it is larger than the sum of its proper divisors (27935155).

1312950029 is an equidigital number, since it uses as much as digits as its factorization.

1312950029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27935154.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 1312950029 is about 36234.6523234321. The cubic root of 1312950029 is about 1095.0049078545.

The spelling of 1312950029 in words is "one billion, three hundred twelve million, nine hundred fifty thousand, twenty-nine".