26647142 has 4 divisors (see below), whose sum is σ = 39970716. Its totient is φ = 13323570.

The previous prime is 26647097. The next prime is 26647147. The reversal of 26647142 is 24174662.

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

It is a junction number, because it is equal to n+sod(n) for n = 26647099 and 26647108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26647147) 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 as a sum of consecutive naturals, namely, 6661784 + ... + 6661787.

It is an arithmetic number, because the mean of its divisors is an integer number (9992679).

Almost surely, 2^26647142 is an apocalyptic number.

26647142 is a deficient number, since it is larger than the sum of its proper divisors (13323574).

26647142 is a wasteful number, since it uses less digits than its factorization.

26647142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13323573.

The product of its digits is 16128, while the sum is 32.

The square root of 26647142 is about 5162.0869810572. The cubic root of 26647142 is about 298.6873836895.

The spelling of 26647142 in words is "twenty-six million, six hundred forty-seven thousand, one hundred forty-two".