1348631 has 4 divisors (see below), whose sum is σ = 1356264. Its totient is φ = 1341000.

The previous prime is 1348621. The next prime is 1348637. The reversal of 1348631 is 1368431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1368431 = 23 ⋅59497.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1348631 is a prime.

It is a super-2 number, since 2×1348631² = 3637611148322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1348631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1348637) 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, 3545 + ... + 3906.

It is an arithmetic number, because the mean of its divisors is an integer number (339066).

2^1348631 is an apocalyptic number.

1348631 is a deficient number, since it is larger than the sum of its proper divisors (7633).

1348631 is an equidigital number, since it uses as much as digits as its factorization.

1348631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7632.

The product of its digits is 1728, while the sum is 26.

The square root of 1348631 is about 1161.3057306325. The cubic root of 1348631 is about 110.4835735156.

The spelling of 1348631 in words is "one million, three hundred forty-eight thousand, six hundred thirty-one".