1312001853 has 8 divisors (see below), whose sum is σ = 1790018208. Its totient is φ = 854326704.

The previous prime is 1312001837. The next prime is 1312001869. The reversal of 1312001853 is 3581002131.

It is an interprime number because it is at equal distance from previous prime (1312001837) and next prime (1312001869).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1312001853 - 2⁴ = 1312001837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312001893) 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, 5085150 + ... + 5085407.

It is an arithmetic number, because the mean of its divisors is an integer number (223752276).

Almost surely, 2^1312001853 is an apocalyptic number.

It is an amenable number.

1312001853 is a deficient number, since it is larger than the sum of its proper divisors (478016355).

1312001853 is a wasteful number, since it uses less digits than its factorization.

1312001853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10170603.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1312001853 is about 36221.5661312429. The cubic root of 1312001853 is about 1094.7412503442.

Adding to 1312001853 its reverse (3581002131), we get a palindrome (4893003984).

The spelling of 1312001853 in words is "one billion, three hundred twelve million, one thousand, eight hundred fifty-three".