7138412 has 6 divisors (see below), whose sum is σ = 12492228. Its totient is φ = 3569204.

The previous prime is 7138409. The next prime is 7138489. The reversal of 7138412 is 2148317.

It is an Ulam number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 892298 + ... + 892305.

It is an arithmetic number, because the mean of its divisors is an integer number (2082038).

Almost surely, 2^7138412 is an apocalyptic number.

It is an amenable number.

7138412 is a deficient number, since it is larger than the sum of its proper divisors (5353816).

7138412 is a wasteful number, since it uses less digits than its factorization.

7138412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784607 (or 1784605 counting only the distinct ones).

The product of its digits is 1344, while the sum is 26.

The square root of 7138412 is about 2671.7806796217. The cubic root of 7138412 is about 192.5457202922.

It can be divided in two parts, 71 and 38412, that added together give a palindrome (38483).

The spelling of 7138412 in words is "seven million, one hundred thirty-eight thousand, four hundred twelve".