4013693 has 4 divisors (see below), whose sum is σ = 4224960. Its totient is φ = 3802428.

The previous prime is 4013671. The next prime is 4013699. The reversal of 4013693 is 3963104.

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.

It is a cyclic number.

It is not a de Polignac number, because 4013693 - 2¹⁰ = 4012669 is a prime.

It is a super-2 number, since 2×4013693² = 32219462996498, 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 (4013699) 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, 105605 + ... + 105642.

It is an arithmetic number, because the mean of its divisors is an integer number (1056240).

Almost surely, 2^4013693 is an apocalyptic number.

It is an amenable number.

4013693 is a deficient number, since it is larger than the sum of its proper divisors (211267).

4013693 is a wasteful number, since it uses less digits than its factorization.

4013693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211266.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 4013693 is about 2003.4203253436. The cubic root of 4013693 is about 158.9210345865.

Adding to 4013693 its reverse (3963104), we get a palindrome (7976797).

The spelling of 4013693 in words is "four million, thirteen thousand, six hundred ninety-three".