7013855 has 4 divisors (see below), whose sum is σ = 8416632. Its totient is φ = 5611080.

The previous prime is 7013807. The next prime is 7013863. The reversal of 7013855 is 5583107.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 7013855 - 2¹⁸ = 6751711 is a prime.

It is a super-2 number, since 2×7013855² = 98388323922050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 701381 + ... + 701390.

It is an arithmetic number, because the mean of its divisors is an integer number (2104158).

Almost surely, 2^7013855 is an apocalyptic number.

7013855 is a deficient number, since it is larger than the sum of its proper divisors (1402777).

7013855 is a wasteful number, since it uses less digits than its factorization.

7013855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402776.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 7013855 is about 2648.3683656168. The cubic root of 7013855 is about 191.4192430136.

The spelling of 7013855 in words is "seven million, thirteen thousand, eight hundred fifty-five".