1312238703 has 8 divisors (see below), whose sum is σ = 1750263088. Its totient is φ = 874520064.

The previous prime is 1312238693. The next prime is 1312238747. The reversal of 1312238703 is 3078322131.

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

It is not a de Polignac number, because 1312238703 - 2⁵ = 1312238671 is a prime.

It is a super-2 number, since 2×1312238703² = 3443940827302244418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312238203) 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, 66226 + ... + 83727.

It is an arithmetic number, because the mean of its divisors is an integer number (218782886).

Almost surely, 2^1312238703 is an apocalyptic number.

1312238703 is a deficient number, since it is larger than the sum of its proper divisors (438024385).

1312238703 is a wasteful number, since it uses less digits than its factorization.

1312238703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152873.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 1312238703 is about 36224.8354447608. The cubic root of 1312238703 is about 1094.8071226760.

The spelling of 1312238703 in words is "one billion, three hundred twelve million, two hundred thirty-eight thousand, seven hundred three".