7148013 has 4 divisors (see below), whose sum is σ = 9530688. Its totient is φ = 4765340.

The previous prime is 7147997. The next prime is 7148023. The reversal of 7148013 is 3108417.

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 7148013 - 2⁴ = 7147997 is a prime.

It is a Curzon number.

7148013 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7148023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1191333 + ... + 1191338.

It is an arithmetic number, because the mean of its divisors is an integer number (2382672).

Almost surely, 2^7148013 is an apocalyptic number.

It is an amenable number.

7148013 is a deficient number, since it is larger than the sum of its proper divisors (2382675).

7148013 is a wasteful number, since it uses less digits than its factorization.

7148013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2382674.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 7148013 is about 2673.5768176733. The cubic root of 7148013 is about 192.6320048090.

It can be divided in two parts, 71 and 48013, that added together give a palindrome (48084).

The spelling of 7148013 in words is "seven million, one hundred forty-eight thousand, thirteen".