1868013 has 24 divisors (see below), whose sum is σ = 3120000. Its totient is φ = 1054944.

The previous prime is 1867993. The next prime is 1868017. The reversal of 1868013 is 3108681.

It is not a de Polignac number, because 1868013 - 2⁶ = 1867949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1868017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9288 + ... + 9486.

It is an arithmetic number, because the mean of its divisors is an integer number (130000).

2^1868013 is an apocalyptic number.

It is an amenable number.

1868013 is a deficient number, since it is larger than the sum of its proper divisors (1251987).

1868013 is a wasteful number, since it uses less digits than its factorization.

1868013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1868013 is about 1366.7527208680. The cubic root of 1868013 is about 123.1572448551.

The spelling of 1868013 in words is "one million, eight hundred sixty-eight thousand, thirteen".