4013697 has 4 divisors (see below), whose sum is σ = 5351600. Its totient is φ = 2675796.

The previous prime is 4013671. The next prime is 4013699. The reversal of 4013697 is 7963104.

It is a happy number.

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 not a de Polignac number, because 4013697 - 2⁸ = 4013441 is a prime.

It is a super-2 number, since 2×4013697² = 32219527215618, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a zygodrome in base 6.

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, 668947 + ... + 668952.

It is an arithmetic number, because the mean of its divisors is an integer number (1337900).

Almost surely, 2^4013697 is an apocalyptic number.

It is an amenable number.

4013697 is a deficient number, since it is larger than the sum of its proper divisors (1337903).

4013697 is a wasteful number, since it uses less digits than its factorization.

4013697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337902.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 4013697 is about 2003.4213236361. The cubic root of 4013697 is about 158.9210873794.

The spelling of 4013697 in words is "four million, thirteen thousand, six hundred ninety-seven".